CVE-2025-12142 BSS(Block Started by Symbol) Memory Corruption Vulnerability
A 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-2025-12142?
CVE-2025-12142 is a medium-severity memory corruption vulnerability in ABB Terra AC wallbox, published on 29 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in ABB Terra AC wallbox.This issue affects Terra AC wallbox: through 1.8.33.
Weakness: CWE-120
Which versions are affected by CVE-2025-12142?
How do I fix CVE-2025-12142?
No fix has been published for CVE-2025-12142 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-2025-12142 being exploited?
There is no known exploitation of CVE-2025-12142 in the wild and no public exploit code.
Sources
Also known as GHSA-gqxj-68c6-vgjx.