{"id":"CVE-2026-20456","aliases":["EUVD-2026-33545","GHSA-v8qh-hh5q-9vc3"],"status":"published","title":"In wlan STA driver, there is a possible system crash due to a missing bounds check. This could...","description":"In wlan STA driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480851; Issue ID: MSV-6338.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00102,"percentile":0.00923,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-06-01T03:20:14Z","modified":"2026-07-22T07:10:00Z","products":[{"vendor":"mediatek","product":"mt7902_firmware"},{"vendor":"mediatek","product":"mt7920_firmware"},{"vendor":"mediatek","product":"mt7921_firmware"},{"vendor":"mediatek","product":"mt7922_firmware"},{"vendor":"mediatek","product":"mt7925_firmware"},{"vendor":"mediatek","product":"mt7927_firmware"},{"vendor":"mediatek, inc.","product":"mediatek chipset"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/June-2026","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20456"},{"url":"https://github.com/advisories/GHSA-v8qh-hh5q-9vc3"}],"sources":{"cve":[{"id":"CVE-2026-20456","description":"In wlan STA driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480851; Issue ID: MSV-6338.","status":"published","published":"2026-06-01T03:20:14.379Z","modified":"2026-06-01T11:07:30.955Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T13:35:33.380441Z"}],"euvd":[{"id":"EUVD-2026-33545","description":"In wlan STA driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480851; Issue ID: MSV-6338.","status":"published","published":"2026-06-01T03:20:14Z","modified":"2026-06-01T11:07:30Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:20:59.105484Z"}],"ghsa":[{"id":"GHSA-v8qh-hh5q-9vc3","title":"In wlan STA driver, there is a possible system crash due to a missing bounds check. This could...","description":"In wlan STA driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480851; Issue ID: MSV-6338.","status":"published","published":"2026-06-01T06:30:26Z","modified":"2026-06-01T15:31:42Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:08:26.890955Z"}],"nvd":[{"id":"CVE-2026-20456","description":"In wlan STA driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480851; Issue ID: MSV-6338.","status":"published","published":"2026-06-01T04:16:22.283Z","modified":"2026-07-22T07:10:00.107Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:21.635958Z"}]}}