{"id":"CVE-2026-78861","title":"An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via a hardcoded 512-bit RSA Private Key","summary":"An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via a hardcoded 512-bit RSA Private Key","severity":"none","published":"2026-10-05","updated":"2026-10-05","sourceUpdated":"2026-10-05T20:17:27.427","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-78861","references":[{"url":"http://ac12.com","label":"cve@mitre.org"},{"url":"http://mercusys.com","label":"cve@mitre.org"},{"url":"https://threadpoolx.gitbook.io/docs/cve/mercusys-ac12-v2-security-advisory/hardcoded-private-key","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-05T20:32:56.655Z","slug":"CVE-2026-78861","body":"## Overview\n\nAn issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via a hardcoded 512-bit RSA Private Key\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}