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Vulnerability record · CVE-2025-11743 · published 20 January 2026

CVE-2025-11743: A denial-of-service security issue in the affected product.

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.

7.1 CVSS 4.0 High EPSS 0.18% · top 93.6% CWE-1284 · CWE-1284 Deferred
7.1CVSS 4.0 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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: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:

References

LinkTags
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1770.html

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-11743), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.