{"id":"CVE-2026-20419","state":"PUBLISHED","title":"In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception. This could lead to remote (proximal/adjacent) denial of service with no addi","description":"In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461663 /  WCNCR00463309; Issue ID: MSV-4852.","publishedAt":"2026-02-02T08:16:46.837Z","updatedAt":"2026-03-30T13:03:33.830Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"MediaTek","products":["MediaTek, Inc. MediaTek chipset"],"affected":[{"vendor":"MediaTek, Inc.","product":"MediaTek chipset","defaultStatus":"unaffected","versions":[{"version":"MT6890","status":"affected"},{"version":"MT6989TB","status":"affected"},{"version":"MT7902","status":"affected"},{"version":"MT7915","status":"affected"},{"version":"MT7916","status":"affected"},{"version":"MT7920","status":"affected"},{"version":"MT7921","status":"affected"},{"version":"MT7922","status":"affected"},{"version":"MT7925","status":"affected"},{"version":"MT7927","status":"affected"},{"version":"MT7981","status":"affected"},{"version":"MT7986","status":"affected"},{"version":"MT8196","status":"affected"},{"version":"MT8668","status":"affected"},{"version":"MT8676","status":"affected"},{"version":"MT8678","status":"affected"},{"version":"MT8775","status":"affected"},{"version":"MT8791T","status":"affected"},{"version":"MT8792","status":"affected"},{"version":"MT8793","status":"affected"},{"version":"MT8796","status":"affected"},{"version":"MT8873","status":"affected"},{"version":"MT8883","status":"affected"},{"version":"MT8893","status":"affected"},{"version":"MT8910","status":"affected"}]}],"references":["https://corp.mediatek.com/product-security-bulletin/February-2026"],"weaknesses":["CWE-754"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20419.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20419","state":"PUBLISHED","datePublished":"2026-02-02T08:16:46.837Z","dateUpdated":"2026-03-30T13:03:33.830Z","assignerShortName":"MediaTek","assignerOrgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","dateReserved":"2025-11-03T01:30:59.009Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461663 /  WCNCR00463309; Issue ID: MSV-4852."}],"affected":[{"vendor":"MediaTek, Inc.","product":"MediaTek chipset","defaultStatus":"unaffected","versions":[{"version":"MT6890","status":"affected"},{"version":"MT6989TB","status":"affected"},{"version":"MT7902","status":"affected"},{"version":"MT7915","status":"affected"},{"version":"MT7916","status":"affected"},{"version":"MT7920","status":"affected"},{"version":"MT7921","status":"affected"},{"version":"MT7922","status":"affected"},{"version":"MT7925","status":"affected"},{"version":"MT7927","status":"affected"},{"version":"MT7981","status":"affected"},{"version":"MT7986","status":"affected"},{"version":"MT8196","status":"affected"},{"version":"MT8668","status":"affected"},{"version":"MT8676","status":"affected"},{"version":"MT8678","status":"affected"},{"version":"MT8775","status":"affected"},{"version":"MT8791T","status":"affected"},{"version":"MT8792","status":"affected"},{"version":"MT8793","status":"affected"},{"version":"MT8796","status":"affected"},{"version":"MT8873","status":"affected"},{"version":"MT8883","status":"affected"},{"version":"MT8893","status":"affected"},{"version":"MT8910","status":"affected"}]}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/February-2026"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-754","type":"CWE","lang":"en","description":"CWE-754 Improper Check for Unusual or Exceptional Conditions"}]}],"providerMetadata":{"shortName":"MediaTek","orgId":"ee979b05-11f8-4f25-a7e0-a1fa9c190374","dateUpdated":"2026-03-30T13:03:33.830Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"ADJACENT_NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-02-05T16:11:25.115269Z","id":"CVE-2026-20419","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-05T16:11:40.807Z"}}]}}}