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.

Project Subscriptions

Vendors Products
Rockwellautomation Subscribe
Compactlogix 5370 Subscribe
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

Wed, 21 Jan 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Rockwellautomation
Rockwellautomation compactlogix 5370
Vendors & Products Rockwellautomation
Rockwellautomation compactlogix 5370

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 : Awaiting Analysis

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

Modified: 2026-01-26T15:05:23.427

Link: CVE-2025-11743

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-21T11:19:29Z

Weaknesses