{"id":"CVE-2021-41789","aliases":["EUVD-2021-28797","GHSA-q52m-g3r7-w437"],"status":"published","title":"In wifi driver, there is a possible system crash due to a missing validation check. This could...","description":"In wifi driver, there is a possible system crash due to a missing validation check. This could lead to remote denial of service from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20190426015; Issue ID: GN20190426015.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00629,"percentile":0.50436,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2022-01-04T15:54:41Z","modified":"2026-06-17T04:08:55Z","products":[{"vendor":"mediatek","product":"mt7615_firmware"},{"vendor":"mediatek","product":"mt7622_firmware"}],"references":[{"url":"https://corp.mediatek.com/product-security-bulletin/January-2022","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41789"},{"url":"https://github.com/advisories/GHSA-q52m-g3r7-w437"}],"sources":{"cve":[{"id":"CVE-2021-41789","description":"In wifi driver, there is a possible system crash due to a missing validation check. This could lead to remote denial of service from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20190426015; Issue ID: GN20190426015.","status":"published","published":"2022-01-04T15:54:41Z","modified":"2024-08-04T03:15:29.254Z","updated_at":"2026-11-02T14:32:59.105382Z"}],"euvd":[{"id":"EUVD-2021-28797","description":"In wifi driver, there is a possible system crash due to a missing validation check. This could lead to remote denial of service from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20190426015; Issue ID: GN20190426015.","status":"published","published":"2022-01-04T15:54:41Z","modified":"2024-08-04T03:15:29Z","updated_at":"2026-11-03T03:24:17.230256Z"}],"ghsa":[{"id":"GHSA-q52m-g3r7-w437","title":"In wifi driver, there is a possible system crash due to a missing validation check. This could...","description":"In wifi driver, there is a possible system crash due to a missing validation check. This could lead to remote denial of service from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20190426015; Issue ID: GN20190426015.","status":"published","published":"2022-01-05T00:00:58Z","modified":"2023-02-03T05:04:06Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:29.32278Z"}],"nvd":[{"id":"CVE-2021-41789","description":"In wifi driver, there is a possible system crash due to a missing validation check. This could lead to remote denial of service from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: GN20190426015; Issue ID: GN20190426015.","status":"published","published":"2022-01-04T16:15:09.527Z","modified":"2026-06-17T04:08:55.2Z","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":"primary"},{"version":"2.0","score":6.1,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:03.418194Z"}]}}