MinorCritical vulnerability
CVE-2026-78861 (CVSS 7.7)
NVD · officialPublished Oct 5, 2026Risk 23/100EPSS 0.2%
An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via a hardcoded 512-bit RSA Private Key
Technical details
CVSS
7.7
AV:LocalAC:LowPR:NoneUI:NoneC:HighI:HighA:None
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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