An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via the storage of information in plaintext (CVE-2026-78860)
Description
Mercusys AC12 V2 contains a vulnerability that allows a local attacker to execute arbitrary code by exploiting the storage of sensitive information in plaintext. This issue is identified as CVE-2026-78860 and has a high severity rating with a CVSS score of 7.8. The vulnerability requires local access and low attack complexity, with no user interaction needed. There is no information about available patches or fixes at this time.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78860 is a vulnerability in Mercusys AC12 V2 where sensitive information is stored in plaintext, enabling a local attacker with low privileges to execute arbitrary code. The vulnerability has a CVSS 3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. The attack vector is local, with low complexity and no user interaction required. No patch or remediation details are currently provided.
Potential Impact
Successful exploitation allows a local attacker to execute arbitrary code, potentially compromising the device's confidentiality, integrity, and availability. This could lead to full control over the affected device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local access to trusted users only to reduce risk.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-j47g-wqf7-q7w8
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-78860"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac523742cdf04f656c4bf3b
Added to database: 10/06/2026, 16:36:04 UTC
Last enriched: 10/06/2026, 16:48:41 UTC
Last updated: 10/07/2026, 03:48:07 UTC
Views: 11
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