CVE-2025-12143: abb terra ac wallbox Stack-based Buffer Overflow
CVSS: 6.9v4.0MediumDeferred
Published 28-11-2025Last modified 28-11-2025
Vulnerability summary
CVE-2025-12143 is a medium (CVSS 6.9) Stack-based Buffer Overflow vulnerability in abb terra ac wallbox. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.3% of scored vulnerabilities.
CVSS score
6.9/10
010
Medium · v4.0 (CVE.org)EPSS score
0.20%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 28-11-2025PublishedVulnerability first disclosed.
- 28-11-2025Last modifiedVulnerability information updated.
Description
Stack-based Buffer Overflow vulnerability in ABB Terra AC wallbox.This issue affects Terra AC wallbox: through 1.8.33.
CVSS metrics
4 scores · 2 sources · 2 versionsMedium 6.9Preferred score · CVE.org (CNA)
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/S:N/AU:N/R:A/V:D/RE:LSourcesAll 2 agree
- NVDNIST6.9MediumCVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:A/V:D/RE:L/U:X
Medium 6.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:HSourcesAll 2 agree
- NVDNIST6.1MediumCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
0.00 pp
From 0.20% on 21-09-2026
21-09-202621-10-2026
EPSS score0.20%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Abb1 product
- terra ac wallbox≤ 1.8.33
1 vendor · 1 product