CVE-2025-11743 json
Rockwell Automation CompactLogix® 5370 Denial of Service Vulnerability
published 2026-01-20 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-3443
- cvss
- 7.1
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 7%
- public exploits
- 0
- none known
Summary
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.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-26-022-03 updated cvss 6.5
Rockwell Automation CompactLogix 5370
-
Rockwell Automation CompactLogix 5370 <=34.013, <=35.012, 36.011affected: mitigation “Rockwell Automation reports that the following versions are fixed:” rockwellautomation.custhelp.com
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
- no
- Technical impact
- partial
- Assessed
- 9 mo ago
Exploit prediction
0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| CNA | 4.0 | 7.1 | CVSS: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 |
Affected products
- Rockwell Automation CompactLogix® 5370
Classification
- Weakness
-
- CWE-1284 Improper Validation of Specified Quantity in Input
References
Sources
- CVE List CVE-2025-11743
- NVD CVE-2025-11743
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.