{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "45F7CAB5-C621-4BE5-A1A0-067D3A6782DE", "versionEndExcluding": "1.2.0.88", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:ac2100:-:*:*:*:*:*:*:*", "matchCriteriaId": "A80B06A1-81B5-4C33-89F6-EC3F6E3068B5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:ac2400_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "EC90E98D-970F-405E-BD0F-87C569F3235E", "versionEndExcluding": "1.2.0.88", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:ac2400:-:*:*:*:*:*:*:*", "matchCriteriaId": "6B25A18F-DD96-45FE-B098-71E60CB0FFFE", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F716D30E-8A2C-4C99-951A-6AF94F467DBB", "versionEndExcluding": "1.2.0.88", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:*", "matchCriteriaId": "2BFCD9A8-1846-48C4-9F14-3866E983FB74", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:d7000v1_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "FFC44F3A-9464-47CD-BFF7-40927486638E", "versionEndExcluding": "1.0.1.80", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:d7000v1:-:*:*:*:*:*:*:*", "matchCriteriaId": "020E7913-90BC-4D37-A575-B5C71F7C9670", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "894177B3-FEFC-450C-AB87-BAE985769719", "versionEndExcluding": "1.1.0.110", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6220:-:*:*:*:*:*:*:*", "matchCriteriaId": "B131B5C8-CB7F-433B-BA32-F05CE0E92A66", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6230_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "4EB2CDDD-4C4A-48CC-A6E6-03561C928F71", "versionEndExcluding": "1.1.0.110", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6230:-:*:*:*:*:*:*:*", "matchCriteriaId": "C91CADFA-59DB-4B6C-A914-848884F4A4BD", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A194A033-7DAD-470E-B07B-050B4761C3C5", "versionEndExcluding": "1.1.0.84", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:*", "matchCriteriaId": "3C395D49-57F9-4BC1-8619-57127355B86B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6330_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "C9652293-61FB-40DA-8C34-F347552D4CA6", "versionEndExcluding": "1.1.0.84", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6330:-:*:*:*:*:*:*:*", "matchCriteriaId": "D621D26D-B144-424A-A9CB-19488399ACC1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6350_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "38890775-308B-49B6-A3B7-A7EE4C4CB696", "versionEndExcluding": "1.1.0.84", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6350:-:*:*:*:*:*:*:*", "matchCriteriaId": "4B302909-29CF-4E53-9CCB-8664D3FCB03A", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A211653B-5485-41F5-9873-E610FEBB59E8", "versionEndExcluding": "1.2.0.88", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:*", "matchCriteriaId": "C9793286-86D2-43BF-B9B8-823C05BCAE4B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "D3D3DAA9-7067-4BB1-B7C8-46127F427F2C", "versionEndExcluding": "1.2.0.88", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:*", "matchCriteriaId": "09404083-B00B-4C1F-8085-BC242E625CA3", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6850_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "3F7CC681-B1DB-469F-A62F-EA3E3A00C1F3", "versionEndExcluding": "1.1.0.84", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6850:-:*:*:*:*:*:*:*", "matchCriteriaId": "598B48C5-4706-4431-8C5A-DA496DD1052F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "13331B0F-038B-4652-A986-A2CE7E5C8144", "versionEndExcluding": "1.2.0.88", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:*", "matchCriteriaId": "A9FC6398-60A5-4003-A294-C96AE6DBCED5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7200_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "E65B4BD2-D7DE-4F0C-998A-29B3A237B81D", "versionEndExcluding": "1.2.0.88", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7200:-:*:*:*:*:*:*:*", "matchCriteriaId": "FECB83F9-D417-4FD3-B293-87BC177E3AEB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7350_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "F9A326D3-C31E-4722-A7D5-593371D90538", "versionEndExcluding": "1.2.0.88", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7350:-:*:*:*:*:*:*:*", "matchCriteriaId": "AFD1A65C-F10F-4C52-8B6D-69992E512EB5", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7400_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "413E21F8-0C60-4F94-9FAD-D71C14C1A30E", "versionEndExcluding": "1.2.0.88", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7400:-:*:*:*:*:*:*:*", "matchCriteriaId": "1F68AC3B-A31F-4AB0-89E9-BFFDE427AD3B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "35E5B11C-0BD8-44AC-8B49-6BA6F3DD9D9D", "versionEndExcluding": "1.2.0.88", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:*", "matchCriteriaId": "6DA5420D-DD64-4A9C-9B5F-784F0ED2B464", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the mini_httpd service, which listens on TCP port 80 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. Was ZDI-CAN-13313."}, {"lang": "es", "value": "Esta vulnerabilidad permite a atacantes adyacentes a la red omitir la autenticaci\u00f3n en las instalaciones afectadas de varios routers NETGEAR. No es requerida una autenticaci\u00f3n para explotar esta vulnerabilidad. El fallo espec\u00edfico se presenta en el servicio mini_httpd, que escucha en el puerto TCP 80 por defecto. El problema es debido a una l\u00f3gica incorrecta de coincidencia de cadenas cuando es accedida a p\u00e1ginas protegidas. Un atacante puede aprovechar esta vulnerabilidad para escalar privilegios y ejecutar c\u00f3digo arbitrario en el contexto de root. Fue ZDI-CAN-13313"}], "id": "CVE-2021-34865", "lastModified": "2024-11-21T06:11:22.170", "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": "2022-01-25T16:15:08.383", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Vendor Advisory"], "url": "https://kb.netgear.com/000063955/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-Some-Routers-PSV-2021-0083?article=000063955"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1051/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.netgear.com/000063955/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-Some-Routers-PSV-2021-0083?article=000063955"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1051/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-697"}], "source": "nvd@nist.gov", "type": "Primary"}]}