{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20421", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "state": "PUBLISHED", "assignerShortName": "MediaTek", "dateReserved": "2025-11-03T01:30:59.010Z", "datePublished": "2026-02-02T08:14:41.044Z", "dateUpdated": "2026-02-02T08:14:41.044Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2026-02-02T08:14:41.044Z"}, "descriptions": [{"lang": "en", "value": "In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01738293; Issue ID: MSV-5922."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MT2735, MT6833, MT6853, MT6855, MT6873, MT6875, MT6877, MT6880, MT6883, MT6885, MT6889, MT6890, MT6891, MT6893, MT8791", "versions": [{"version": "Modem NR15", "status": "affected"}]}], "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/February-2026"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In Modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01738293; Issue ID: MSV-5922."}], "id": "CVE-2026-20421", "lastModified": "2026-02-02T09:15:57.257", "metrics": {}, "published": "2026-02-02T09:15:57.257", "references": [{"source": "security@mediatek.com", "url": "https://corp.mediatek.com/product-security-bulletin/February-2026"}], "sourceIdentifier": "security@mediatek.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security@mediatek.com", "type": "Primary"}]}

{}

{}