CVE-2025-5517 Heap Memory Corruption Vulnerability
Heap-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
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-5517?
CVE-2025-5517 is a medium-severity memory corruption vulnerability in ABB Terra AC wallbox (JP), published on 20 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Heap-based Buffer Overflow vulnerability in ABB Terra AC wallbox (UL40/80A), ABB Terra AC wallbox (UL32A), ABB Terra AC wallbox (MID/ CE) -Terra AC MID, ABB Terra AC wallbox (MID/ CE) -Terra AC Juno CE, ABB Terra AC wallbox (MID/ CE) -Terra AC PTB, ABB Terra AC wallbox (JP).This issue affects Terra AC wallbox (UL40/80A): through 1.8.32; Terra AC wallbox (UL32A): through 1.8.2; Terra AC wallbox (MID/ CE) -Terra AC MID: through 1.8.32; Terra AC wallbox (MID/ CE) -Terra AC Juno CE: through 1.8.32; Terra AC wallbox (MID/ CE) -Terra AC PTB: through 1.8.21; Terra AC wallbox (JP): through 1.8.2.
Weakness: CWE-122
Which versions are affected by CVE-2025-5517?
How do I fix CVE-2025-5517?
No fix has been published for CVE-2025-5517 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-2025-5517 being exploited?
There is no known exploitation of CVE-2025-5517 in the wild and no public exploit code.
Sources
Also known as GHSA-56rf-7q3j-jwjf.