{"id":"CVE-2026-20419","aliases":["EUVD-2026-5135","GHSA-4q2v-rcwc-rv6w"],"status":"published","title":"In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught...","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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00777,"percentile":0.5632,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-754"],"published":"2026-02-02T08:16:46Z","modified":"2026-06-17T10:17:24Z","products":[{"vendor":"mediatek","product":"nbiot_sdk"},{"vendor":"mediatek","product":"software_development_kit"},{"vendor":"mediatek, inc.","product":"mediatek chipset"},{"vendor":"openwrt","product":"openwrt"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/February-2026","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20419"},{"url":"https://github.com/advisories/GHSA-4q2v-rcwc-rv6w"}],"sources":{"cve":[{"id":"CVE-2026-20419","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.","status":"published","published":"2026-02-02T08:16:46.837Z","modified":"2026-03-30T13:03:33.83Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T13:35:55.731353Z"}],"euvd":[{"id":"EUVD-2026-5135","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.","status":"published","published":"2026-02-02T08:16:46Z","modified":"2026-03-30T13:03:33Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T19:25:26.376466Z"}],"ghsa":[{"id":"GHSA-4q2v-rcwc-rv6w","title":"In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught...","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.","status":"published","published":"2026-02-02T09:30:31Z","modified":"2026-02-02T15:30:34Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T15:06:00.246323Z"}],"nvd":[{"id":"CVE-2026-20419","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.","status":"published","published":"2026-02-02T09:15:56.99Z","modified":"2026-06-17T10:17:24.027Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-754"],"updated_at":"2026-11-02T14:12:05.149641Z"}]}}