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Fencer Vulns
medium 6.8

CVE-2025-5517 json

Heap Memory Corruption Vulnerability

published 2025-10-20 12 mo ago modified 2026-10-18 21 d ago also EUVD-2025-35093

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-146-01 updated cvss 6.8

ABB Terra AC

  • ABB Terra AC Juno CE <=1.8.32 ABB Terra AC MID <=1.8.32 ABB Terra AC PTB <=1.8.21 ABB Terra AC wallbox (JP) <=1.8.2 ABB Terra AC wallbox (UL32A) <=1.8.2 ABB Terra AC wallbox (UL40/80A) <=1.8.32
    affected: vendor fix
  • ABB Terra AC Juno CE 1.8.34 ABB Terra AC MID 1.8.34 ABB Terra AC PTB 1.8.33 ABB Terra AC wallbox (JP) 1.8.34 ABB Terra AC wallbox (UL32A) 1.8.34 ABB Terra AC wallbox (UL40/80A) 1.8.33
    fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
12 mo ago

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 6.1 CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 3.1 6.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
CNA 4.0 6.1 CVSS:4.0/AV:N/AC:H/AT:P/PR:L/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:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • 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)

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.