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Vulnerability · Published Oct 20, 2025 · Assigned by ABB

CVE-2025-5517Heap Memory Corruption Vulnerability

Medium 6.8

In plain English

A medium-severity heap buffer overflow in Terra AC wallbox (JP) from ABB. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.3%top 79.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
ABB Terra AC wallbox (UL40/80A) 0 – through 1.8.32
ABB Terra AC wallbox (UL32A) 0 – through 1.8.2
ABB Terra AC wallbox (MID/ CE) -Terra AC MID 0 – through 1.8.32
ABB Terra AC wallbox (MID/ CE) -Terra AC Juno CE 0 – through 1.8.32
ABB Terra AC wallbox (MID/ CE) -Terra AC PTB 0 – through 1.8.21
ABB Terra AC wallbox (JP) 0 – through 1.8.2

Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

References