CVE-2026-78861

Published Oct 5, 2026 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Description
An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via a hardcoded 512-bit RSA Private Key

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Mercusys AC12 V2 Hardcoded RSA Private Key Enables Local Arbitrary Code Execution
Type Values Removed Values Added
First Time appeared Mercusys
Mercusys ac12 V2
Vendors & Products Mercusys
Mercusys ac12 V2
Type Values Removed Values Added
Weaknesses CWE-789
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Mercusys AC12 V2 Hardcoded RSA Private Key Enables Local Arbitrary Code Execution
Weaknesses CWE-798
Type Values Removed Values Added
Description An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via a hardcoded 512-bit RSA Private Key
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 6, 2026, 4:17 PM
Reserved
Aug 25, 2026, 12:00 AM
Status
Deferred
Published
Oct 5, 2026, 8:17 PM
Modified
Oct 6, 2026, 5:17 PM