6.8

CVE-2025-5517: abb terra_ac_wallbox_jp_firmware Heap-based Buffer Overflow

CVSS: 6.8v3.1MediumDeferred
Published 20-10-2025Last modified 20-10-2025

Vulnerability summary

CVE-2025-5517 is a medium (CVSS 6.8) Heap-based Buffer Overflow vulnerability in abb terra_ac_wallbox_jp_firmware. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.6% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-10-2025
    PublishedVulnerability first disclosed.
  2. 20-10-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.28% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.28%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

1 vendor · 6 products

References

1 links