{"id":"CVE-2026-71912","title":"Multiple DrayTek VigorAP models contain a buffer overflow vulnerability in the apautotest function","summary":"Multiple DrayTek VigorAP models contain a buffer overflow vulnerability in the apautotest function. The vulnerability is caused by missing length checks during memory copy operations involving the CMD6 field. A remote attacker can trigge…","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-120"],"published":"2026-08-24","updated":"2026-10-13","sourceUpdated":"2026-10-13T09:10:00.323","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-71912","references":[{"url":"https://www.draytek.com/about/security-advisory/multiple-remote-code-execution-and-buffer-overflow-vulnerabilities-in-vigorap-series-august-2026/","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/draytek-vigorap-multiple-models-buffer-overflow-via-apautotest","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00683,"epssPercentile":0.5117,"ingestedAt":"2026-10-13T09:20:23.180Z","slug":"CVE-2026-71912","body":"## Overview\n\nMultiple DrayTek VigorAP models contain a buffer overflow vulnerability in the apautotest function. The vulnerability is caused by missing length checks during memory copy operations involving the CMD6 field. A remote attacker can trigger this vulnerability via crafted input, causing a denial of service or potentially executing arbitrary commands. Exploitation requires valid administrative credentials for the device's web management interface.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}