CVE-2026-78862
An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via the UART serial…
- Risk score
- 42/100
- CVSS
- 6.8 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 5 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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)
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.8 medium
References
Original 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)
Last activity 5 Oct 2026. Patch Forecast updates every hour.