{"containers": {"cna": {"affected": [{"product": "R6400v2", "vendor": "NETGEAR", "versions": [{"status": "affected", "version": "1.0.4.106_10.0.80"}]}], "credits": [{"lang": "en", "value": "anonymous"}], "descriptions": [{"lang": "en", "value": "This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.80 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000 by default. When parsing the uuid request header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14110."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "CWE-121: Stack-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-01-13T21:44:43", "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1303/"}, {"tags": ["x_refsource_MISC"], "url": "https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "zdi-disclosures@trendmicro.com", "ID": "CVE-2021-34991", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "R6400v2", "version": {"version_data": [{"version_value": "1.0.4.106_10.0.80"}]}}]}, "vendor_name": "NETGEAR"}]}}, "credit": "anonymous", "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.80 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000 by default. When parsing the uuid request header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14110."}]}, "impact": {"cvss": {"vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-121: Stack-based Buffer Overflow"}]}]}, "references": {"reference_data": [{"name": "https://www.zerodayinitiative.com/advisories/ZDI-21-1303/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1303/"}, {"name": "https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168", "refsource": "MISC", "url": "https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:26:55.733Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1303/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168"}]}]}, "cveMetadata": {"assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "assignerShortName": "zdi", "cveId": "CVE-2021-34991", "datePublished": "2021-11-15T15:40:16", "dateReserved": "2021-06-17T00:00:00", "dateUpdated": "2024-08-04T00:26:55.733Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A65EE9FC-A015-4D92-8DA3-40C8594D843D", "versionEndExcluding": "1.0.0.94", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:ex3700:-:*:*:*:*:*:*:*", "matchCriteriaId": "CDAA5899-B73C-4690-853E-B5400F034BE1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "ED72FFCA-F5A8-480D-8A29-C14FFC490B33", "versionEndExcluding": "1.0.0.94", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:ex3800:-:*:*:*:*:*:*:*", "matchCriteriaId": "CC5488D9-651C-4BAB-A141-06B816690D42", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "8ECBE89E-3C81-470A-80C0-F742D7ABC66D", "versionEndExcluding": "1.0.0.66", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:*", "matchCriteriaId": "8C6DFDB6-1D7A-459A-8D30-FD4900ED718B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "18CD63F9-F5F6-4EE0-89B5-0EBA58E25245", "versionEndExcluding": "1.0.0.66", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:ex6130:-:*:*:*:*:*:*:*", "matchCriteriaId": "305E295C-9C73-4798-A0BE-7973E1EE5EAB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "7C7F4455-0A09-49B7-A117-1834F20B9FD1", "versionEndExcluding": "1.0.1.76", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*", "matchCriteriaId": "3E4CDF6B-3829-44D0-9675-71D7BE83CAA2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "58DA0D12-4A91-4063-94C1-5154669BE6D5", "versionEndExcluding": "1.0.4.120", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6400v2:-:*:*:*:*:*:*:*", "matchCriteriaId": "AFE6B3A8-0601-44EA-AD9B-3BDDE6654FDF", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6EEB4D53-DD21-4145-B802-3ECC00998CC4", "versionEndExcluding": "1.0.4.120", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6700v3:-:*:*:*:*:*:*:*", "matchCriteriaId": "C88DA385-5FAE-49EC-80D6-78F81E7EEC16", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "16A433A7-58F9-43F2-A2B1-A9FBEB518328", "versionEndExcluding": "1.3.3.142", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*", "matchCriteriaId": "C41908FF-AE64-4949-80E3-BEE061B2DA8A", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "047F5F65-909C-4151-A8DF-B3DD7CDEEDEF", "versionEndExcluding": "1.0.11.128", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*", "matchCriteriaId": "C9F86FF6-AB32-4E51-856A-DDE790C0A9A6", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "58DD8137-1332-4EAC-BFC2-1C457E92758C", "versionEndExcluding": "1.3.3.142", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*", "matchCriteriaId": "DFE55F4D-E98B-46D3-B870-041141934CD1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F445F83B-1CFC-41E9-9446-72E1FCE5A222", "versionEndExcluding": "1.0.0.72", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:*", "matchCriteriaId": "366FA778-3C2A-42AF-9141-DAD7043B406C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7850_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "17FF56D6-F2B4-406A-AFFE-B9502E22FFDE", "versionEndExcluding": "1.0.5.76", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7850:-:*:*:*:*:*:*:*", "matchCriteriaId": "DAF94D73-B6D0-4334-9A41-83AA92B7C6DF", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "EA344C08-94F1-47F8-9607-3D854B890E19", "versionEndExcluding": "1.4.2.84", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*", "matchCriteriaId": "F3D6A70D-66AF-4064-9F1B-4358D4B1F016", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "33B2293C-09AD-4B5A-B2A0-923E2B9923AA", "versionEndExcluding": "1.4.2.84", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:*", "matchCriteriaId": "091CEDB5-0069-4253-86D8-B9FE17CB9F24", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A83ECB19-F32A-4413-8B51-3B871F1C2610", "versionEndExcluding": "1.0.4.76", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*", "matchCriteriaId": "5B39F095-8FE8-43FD-A866-7B613B495984", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "4905D866-2326-487F-AAA5-96ABA0DBD56E", "versionEndExcluding": "1.4.2.84", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*", "matchCriteriaId": "F7EF872D-2537-4FEB-8799-499FC9D44339", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "CB34F838-B338-41CC-9EC8-4712C4CF84AE", "versionEndExcluding": "1.0.2.156", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:*", "matchCriteriaId": "7A9B77E7-7439-48C6-989F-5E22CB4D3044", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA5D6D75-ADD4-4D61-A54A-4DA0FE9722B9", "versionEndExcluding": "1.0.2.156", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:*", "matchCriteriaId": "63500DE4-BDBD-4F86-AB99-7DB084D0B912", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax15_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F8D5268F-C2DA-4323-A71A-784DAB080D64", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax15:-:*:*:*:*:*:*:*", "matchCriteriaId": "B624B4D3-BCF4-4F95-B401-A88BEC3145A5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "4936DA57-0FEF-4BD1-8075-7DBB144D6C51", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax20:-:*:*:*:*:*:*:*", "matchCriteriaId": "7038703C-C79D-4DD4-8B16-E1A5FC6694C0", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "1071E817-2865-4D9A-BAD6-36CDCC86A2D3", "versionEndExcluding": "1.0.5.132", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:*", "matchCriteriaId": "58EB0F2F-FB5C-47D9-9AE6-087AE517B3F9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax35v2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6C8EBFE8-A19D-4095-902D-E3DE5FE9B152", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax35v2:-:*:*:*:*:*:*:*", "matchCriteriaId": "9358B2F2-D24E-434D-AEE5-6CE093598793", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax38v2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "622B679D-8F20-40A2-B8CB-054FCB13DC8E", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax38v2:-:*:*:*:*:*:*:*", "matchCriteriaId": "DE59D8F1-1883-4C96-8099-AA6B362A8D2B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax40v2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6E7252E5-A12A-49E7-BFF5-2974FBC876F0", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax40v2:-:*:*:*:*:*:*:*", "matchCriteriaId": "3CEAD12D-6D90-4CFB-9E59-2CEBD400C567", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax42_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6786B925-498E-458D-94F4-83F337DE469C", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax42:-:*:*:*:*:*:*:*", "matchCriteriaId": "D83182AB-E726-4371-B092-FA1920408FED", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax43_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "3128D842-33C1-453A-B4BF-F383F7C7A924", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax43:-:*:*:*:*:*:*:*", "matchCriteriaId": "178BB386-F66C-4CE8-9283-37D22B304691", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax45_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "7EDFCA49-7EF9-413B-A7CA-7D51CA7D12CB", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax45:-:*:*:*:*:*:*:*", "matchCriteriaId": "4B08BD69-CDCC-4CEB-B887-4E47D2B45D26", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax48_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "78BF9561-75D1-4B7A-ABE3-871D6C647978", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax48:-:*:*:*:*:*:*:*", "matchCriteriaId": "09E50F2A-C46C-4875-84AB-04AA00BFA53F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D36A7666-610A-4C67-AD7D-C4473CC35994", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax50:-:*:*:*:*:*:*:*", "matchCriteriaId": "C430976E-24C0-4EA7-BF54-F9C188AB9C01", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax50s_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "3F6B59EE-5B90-4139-8306-B50846BB1EC6", "versionEndExcluding": "1.0.4.100", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax50s:-:*:*:*:*:*:*:*", "matchCriteriaId": "DBB69710-DA7E-4011-A61A-BA40462A041F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6065375D-CB51-403B-B6CD-BBBA53685E08", "versionEndExcluding": "1.0.5.132", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:*", "matchCriteriaId": "1BAA74D7-36A1-4494-96A2-BD0D2D6BF22F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "324447B4-A3B2-41C7-A003-F7A09C66ACD2", "versionEndExcluding": "1.0.5.132", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:*", "matchCriteriaId": "06B5A85C-3588-4263-B9AD-4E56D3F6CB16", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:raxe450_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "24003AB5-CFB9-4A28-BDBE-2800B5222865", "versionEndExcluding": "1.0.8.70", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:raxe450:-:*:*:*:*:*:*:*", "matchCriteriaId": "67D7EC2C-E443-4749-854E-5BC057CA6B06", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:raxe500_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "018EFBF6-9AE3-4361-B8E2-A0A4B668295F", "versionEndExcluding": "1.0.8.70", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:raxe500:-:*:*:*:*:*:*:*", "matchCriteriaId": "6D23ADF0-05B4-4163-9666-3F470FB19E01", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "95AF0FA9-F2C5-4D84-BF37-AA8CB6EC3C4A", "versionEndExcluding": "1.5.1.80", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:rs400:-:*:*:*:*:*:*:*", "matchCriteriaId": "2700644E-0940-4D05-B3CA-904D91739E58", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:wndr3400v3_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "836591C8-6B93-4C41-808D-9FF4080A5F51", "versionEndExcluding": "1.0.1.42", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:wndr3400v3:-:*:*:*:*:*:*:*", "matchCriteriaId": "37F227D8-332F-4D24-BAEA-AA5DB3E3EC95", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:wnr3500lv2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E3EC77D7-D5B5-48A4-ACF9-7919A7254A31", "versionEndExcluding": "1.2.0.70", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:wnr3500lv2:-:*:*:*:*:*:*:*", "matchCriteriaId": "FC3F6D58-D900-41B4-8626-58928866208A", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "3AE70236-D1C6-4B58-8385-1FA5F71916AF", "versionEndExcluding": "1.0.3.68", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:xr300:-:*:*:*:*:*:*:*", "matchCriteriaId": "5590CF28-B88A-4755-904B-1BC1778FBEDD", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "FD93F750-1D77-4E8F-86EB-581C0102474B", "versionEndExcluding": "1.0.0.76", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:*", "matchCriteriaId": "F3EEA190-2E9C-4586-BF81-B115532FBA23", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "204E3FEE-153C-46A8-8651-8CF90A37F04D", "versionEndExcluding": "1.0.0.108", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:*", "matchCriteriaId": "7D30939B-86E3-4C78-9B05-686B4994C8B9", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:d7000v2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "9F21298B-8FEA-4E17-BF38-65F247D6271C", "versionEndExcluding": "1.0.0.76", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:d7000v2:-:*:*:*:*:*:*:*", "matchCriteriaId": "6DC6BD34-1A2C-4247-A20C-0B44C0F56E0F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:dgn2200v4_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "9EDEBC41-D9AA-4822-AC01-CFA4B24A08A6", "versionEndExcluding": "1.0.0.126", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:dgn2200v4:-:*:*:*:*:*:*:*", "matchCriteriaId": "0BE59214-C8A1-4337-A54C-E4E8C149B241", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "3B4ECB05-E606-439C-9B67-DB5042FCD50E", "versionEndExcluding": "1.0.0.62", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:dc112a:-:*:*:*:*:*:*:*", "matchCriteriaId": "F87FFC46-137D-45B8-B437-F15565FB33D0", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:cax80_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "EE9AC94C-3222-4673-8147-7BD5CBB6FFA9", "versionEndExcluding": "2.1.3.5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:cax80:-:*:*:*:*:*:*:*", "matchCriteriaId": "673A83EA-E359-4629-8B20-5382C15260B2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6400v2 1.0.4.106_10.0.80 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the UPnP service, which listens on TCP port 5000 by default. When parsing the uuid request header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14110."}, {"lang": "es", "value": "Esta vulnerabilidad permite a atacantes adyacentes a la red ejecutar c\u00f3digo arbitrario en las instalaciones afectadas de los routers NETGEAR versi\u00f3n R6400v2 1.0.4.106_10.0.80. No es requerida una autenticaci\u00f3n para explotar esta vulnerabilidad. El fallo espec\u00edfico es presentado en el servicio UPnP, que escucha en el puerto TCP 5000 por defecto. Cuando analiza el encabezado petici\u00f3n uuid, el proceso no comprueba correctamente la longitud de los datos suministrados por el usuario antes de copiarlos en un b\u00fafer de longitud fija en la regi\u00f3n stack de la memoria. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de root. Fue ZDI-CAN-14110"}], "id": "CVE-2021-34991", "lastModified": "2024-11-21T06:11:39.183", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 8.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-15T16:15:09.547", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Vendor Advisory"], "url": "https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1303/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.netgear.com/000064361/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0168"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1303/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}