CVE-2025-14027

Rockwell Automation Recommends Upgrading From 1756-RM2 XT To 1756-RM3 XT

Published Jan 20, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
Multiple denial-of-service vulnerabilities exist in the affected product. These issues can be triggered through various crafted inputs, including malformed Class 3 messages, memory leak conditions, and other resource exhaustion scenarios. Exploitation may cause the device to become unresponsive and, in some cases, result in a major nonrecoverable fault. Recovery may require a restart.

Remediation

Vendor Solution

Upgrade to 1756-RM3

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Rockwellautomation
Rockwellautomation controllogix
Vendors & Products Rockwellautomation
Rockwellautomation controllogix
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Multiple denial-of-service vulnerabilities exist in the affected product. These issues can be triggered through various crafted inputs, including malformed Class 3 messages, memory leak conditions, and other resource exhaustion scenarios. Exploitation may cause the device to become unresponsive and, in some cases, result in a major nonrecoverable fault. Recovery may require a restart.
Title Rockwell Automation Recommends Upgrading From 1756-RM2 XT To 1756-RM3 XT
Weaknesses CWE-401
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Rockwell
Published
Updated
Jan 20, 2026, 4:41 PM
Reserved
Dec 4, 2025, 2:14 PM
Status
Deferred
Published
Jan 20, 2026, 2:16 PM
Modified
Jun 17, 2026, 8:35 AM