CVE-2025-11743
High
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.
SeverityHigh
CVSS7.1
Exploit probability—
ProductCompactLogix® 5370
PublishedJan 20, 2026
First seenJan 20, 2026
Weakness typeCWE-1284CWE-1284
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Rockwell Automation CompactLogix® 5370 | Version 34.013 and prior, Version 35.012 and prior, Version 36.011 | — |
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