CVE-2025-12143 Stack Memory Corruption Vulnerability
A stack-based buffer overflow in ABB Terra AC wallboxes allows attackers to execute arbitrary code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-12143?
CVE-2025-12143 is a medium-severity memory corruption vulnerability in ABB Terra AC wallbox, published on 28 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Stack-based Buffer Overflow vulnerability in ABB Terra AC wallbox.This issue affects Terra AC wallbox: through 1.8.33.
Weakness: CWE-121
Which versions are affected by CVE-2025-12143?
How do I fix CVE-2025-12143?
No fix has been published for CVE-2025-12143 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-12143 being exploited?
There is no known exploitation of CVE-2025-12143 in the wild and no public exploit code.
Sources
Also known as GHSA-xqrg-6p99-hc76.