{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-20731", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2024-11-01T01:21:50.393Z", "datePublished": "2025-11-04T06:20:07.276Z", "dateUpdated": "2026-02-26T17:47:23.446Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2025-11-04T06:20:07.276Z"}, "descriptions": [{"lang": "en", "value": "In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege (when OceReducedNeighborReport is disabled). User interaction is not needed for exploitation. Patch ID: WCNCR00441511; Issue ID: MSV-4140."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986", "versions": [{"version": "SDK release 7.6.7.2 and before / openWRT 19.07, 21.02", "status": "affected"}]}], "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/November-2025"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-122", "description": "CWE-122 Heap Overflow"}]}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-20731", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-11-05T04:55:49.944493Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T17:47:23.446Z"}}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*", "matchCriteriaId": "0DD86CC1-BD46-42D2-9112-190CCAC96B30", "versionEndIncluding": "7.6.7.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*", "matchCriteriaId": "4FA469E2-9E63-4C9A-8EBA-10C8C870063A", "vulnerable": true}, {"criteria": "cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*", "matchCriteriaId": "F0133207-2EED-4625-854F-8DB7770D5BF7", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*", "matchCriteriaId": "171D1C08-F055-44C0-913C-AA2B73AF5B72", "vulnerable": false}, {"criteria": "cpe:2.3:h:mediatek:mt7615:-:*:*:*:*:*:*:*", "matchCriteriaId": "05748BB1-0D48-4097-932E-E8E2E574FD8D", "vulnerable": false}, {"criteria": "cpe:2.3:h:mediatek:mt7622:-:*:*:*:*:*:*:*", "matchCriteriaId": "55EB4B27-6264-45BE-9A22-BE8418BB0C06", "vulnerable": false}, {"criteria": "cpe:2.3:h:mediatek:mt7663:-:*:*:*:*:*:*:*", "matchCriteriaId": "10C79211-F064-499D-914E-0BACD038FBF4", "vulnerable": false}, {"criteria": "cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*", "matchCriteriaId": "3AB22996-9C22-4B6C-9E94-E4C055D16335", "vulnerable": false}, {"criteria": "cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:*", "matchCriteriaId": "DD5AA441-5381-4179-89EB-1642120F72B4", "vulnerable": false}, {"criteria": "cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*", "matchCriteriaId": "490CD97B-021F-4350-AEE7-A2FA866D5889", "vulnerable": false}, {"criteria": "cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*", "matchCriteriaId": "40A9E917-4B34-403F-B512-09EEBEA46811", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege (when OceReducedNeighborReport is disabled). User interaction is not needed for exploitation. Patch ID: WCNCR00441511; Issue ID: MSV-4140."}], "id": "CVE-2025-20731", "lastModified": "2026-02-26T19:29:19.750", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 3.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-11-04T07:15:37.117", "references": [{"source": "security@mediatek.com", "tags": ["Vendor Advisory"], "url": "https://corp.mediatek.com/product-security-bulletin/November-2025"}], "sourceIdentifier": "security@mediatek.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "security@mediatek.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"created": "2025-11-04T16:32:55.511608+00:00", "updated": "2025-11-04T16:32:55.511642+00:00", "vendors": ["mediatek", "mediatek$PRODUCT$mt6890", "mediatek$PRODUCT$mt7615", "mediatek$PRODUCT$mt7622", "mediatek$PRODUCT$mt7663", "mediatek$PRODUCT$mt7915", "mediatek$PRODUCT$mt7916", "mediatek$PRODUCT$mt7981", "mediatek$PRODUCT$mt7986"]}