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Fencer Vulns
critical 9.2

CVE-2025-12012 json

CompactLogix ®, ControlLogix ®, Compact GuardLogix ® and GuardLogix ® Buffer Overflow

published 2026-07-14 3 mo ago modified 2026-09-29 40 d ago also EUVD-2025-210462

cvss
9.2
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

A denial-of-service issue exists in 5380/5480/5580 controllers. This vulnerability could potentially allow a malicious user to write invalid file data to the controller, causing the device to enter a major non-recoverable fault (MNRF).

Vendor advisories

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

cisa ICSA-26-197-06 updated cvss 8.6

Rockwell Automation CompactLogix, ControlLogix, Compact GuardLogix and GuardLogix

  • Rockwell Automation Compact GuardLogix 5370 <=V35.015
    affected: fixed in V35.016
  • Rockwell Automation Compact GuardLogix 5380 <=V34.012, <=V35.011
    affected: fixed in V34.014
  • Rockwell Automation Compact GuardLogix 5380 Recovery Image <=1.072
    affected: vendor fix
  • Rockwell Automation CompactLogix 5370 <=V35.015
    affected: fixed in V35.016
  • Rockwell Automation CompactLogix 5380 <=V34.012, <=V35.011
    affected: fixed in V34.014
  • Rockwell Automation CompactLogix 5380 Recovery Image <=1.072
    affected: vendor fix
  • Rockwell Automation CompactLogix 5480 <=V34.012, <=V35.011
    affected: fixed in V34.014
  • Rockwell Automation CompactLogix 5480 Recovery Image <=1.072
    affected: vendor fix
show 6 more
  • Rockwell Automation ControlLogix 5570 <=V35.015
    affected: fixed in V35.016
  • Rockwell Automation ControlLogix 5580 <=V34.012, <=V35.011
    affected: fixed in V34.014
  • Rockwell Automation ControlLogix 5580 Recovery Image <=1.072
    affected: vendor fix
  • Rockwell Automation GuardLogix 5570 <=V35.015
    affected: fixed in V35.016
  • Rockwell Automation GuardLogix 5580 <=V34.012, <=V35.011
    affected: fixed in V34.014
  • Rockwell Automation GuardLogix 5580 Recovery Image <=1.072
    affected: vendor fix

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
3 mo ago

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 9.2 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
CNA 4.0 9.2 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/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

  • Rockwell Automation CompactLogix® 5370 Compact GuardLogix® 5370 ControlLogix® 5570 GuardLogix® 5570

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.