Vulnerability in N/a

CVE-2026-78862

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)

Published 2026-10-05 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-1299

References

Frequently asked questions

What is CVE-2026-78862?: CVE-2026-78862 is a medium-severity vulnerability in N/a, classified under CWE-1299. CVSS score: 6.8/10. Published 2026-10-05.
How severe is CVE-2026-78862?: Medium severity. CVSS v3 base score is 6.8 out of 10.