CVE-2025-11743: rockwell automation compactlogix 5370
CVSS: 7.1v4.0HighDeferred
Published 20-01-2026Last modified 20-01-2026
Vulnerability summary
CVE-2025-11743 is a high (CVSS 7.1) vulnerability in rockwell automation compactlogix 5370. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.1% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v4.0 (CVE.org)EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 20-01-2026PublishedVulnerability first disclosed.
- 20-01-2026Last modifiedVulnerability information updated.
Description
A denial-of-service security issue in the affected product. The security issue occurs when a malformed CIP forward open message is sent. This could result in a major nonrecoverable fault a restart is required to recover.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST7.1HighCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
7%
Versus all other CVEs
30-day change
0.00 pp
From 0.18% on 21-09-2026
21-09-202621-10-2026
EPSS score0.18%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Rockwell automation1 product
- compactlogix 5370Version 34.013 and prior, Version 35.012 and prior, Version 36.011
1 vendor · 1 product