{"id":"CVE-2025-20718","title":"In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check","summary":"In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch I…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-121","CWE-787"],"vendor":"mediatek","product":"software_development_kit","affected":["software_development_kit <= 7.6.7.2","openwrt = 19.07.0","openwrt = 21.02.0"],"published":"2025-10-14","updated":"2026-10-08","sourceUpdated":"2026-10-08T12:10:00.217","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-20718","references":[{"url":"https://corp.mediatek.com/product-security-bulletin/October-2025","label":"security@mediatek.com"}],"tags":["nvd"],"epss":0.00166,"epssPercentile":0.05297,"ingestedAt":"2026-10-08T11:31:27.371Z","slug":"CVE-2025-20718","body":"## Overview\n\nIn wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00419945; Issue ID: MSV-3581.\n\n## Affected\n\n- `software_development_kit <= 7.6.7.2`\n- `openwrt = 19.07.0`\n- `openwrt = 21.02.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}