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.
Advisories

No advisories yet.

Fixes

Solution

Versions 37.011 and later, Version 34.016, Version 35.015, Version 36.012 https://compatibility.rockwellautomation.com/Pages/MultiProductFindDownloads.aspx


Workaround

No workaround given by the vendor.

History

Tue, 20 Jan 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 20 Jan 2026 14:00:00 +0000

Type Values Removed Values Added
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.
Title Rockwell Automation CompactLogix® 5370 Denial of Service Vulnerability
Weaknesses CWE-1284
References
Metrics cvssV4_0

{'score': 7.1, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Rockwell

Published:

Updated: 2026-01-20T14:58:13.875Z

Reserved: 2025-10-14T14:07:30.708Z

Link: CVE-2025-11743

cve-icon Vulnrichment

Updated: 2026-01-20T14:52:07.233Z

cve-icon NVD

Status : Received

Published: 2026-01-20T14:16:06.360

Modified: 2026-01-20T14:16:06.360

Link: CVE-2025-11743

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses