An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via the UART serial interface on the printed circuit board (PCB)
History

Fri, 09 Oct 2026 09:15:00 +0000

Type Values Removed Values Added
First Time appeared Mercusys
Mercusys ac12 V2
Vendors & Products Mercusys
Mercusys ac12 V2

Wed, 07 Oct 2026 09:45:00 +0000

Type Values Removed Values Added
Title Local Arbitrary Code Execution via Unprotected UART Interface on Mercusys AC12 V2

Wed, 07 Oct 2026 08:30:00 +0000

Type Values Removed Values Added
Title Local UART-Based Arbitrary Code Execution on Mercusys AC12 V2
Weaknesses CWE-20
CWE-94

Tue, 06 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1299
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Mon, 05 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Title Local UART-Based Arbitrary Code Execution on Mercusys AC12 V2
Weaknesses CWE-20
CWE-94

Mon, 05 Oct 2026 20:15:00 +0000

Type Values Removed Values Added
Description An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via the UART serial interface on the printed circuit board (PCB)
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-10-05T00:00:00.000Z

Updated: 2026-10-06T17:41:52.502Z

Reserved: 2026-08-25T00:00:00.000Z

Link: CVE-2026-78862

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-05T20:17:27.570

Modified: 2026-10-06T18:16:56.517

Link: CVE-2026-78862

cve-icon Redhat

No data.