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CVE-2025-14027

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

Published: Jan 20, 2026Updated: Jan 26, 2026 Sources: CVE List NVD BDU csafCWE-401
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.4%
Top 73.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LC:NI:NA:H
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
H
Open in CVSS calculator →

Weaknesses

CWE-401

Affected Products

ControlLogix 1756 Redundancy Enhanced ModuleRockwell Automation Inc.ICS / OT / IoT
ControlLogix® Redundancy Enhanced ModuleRockwell AutomationICS / OT / IoT
rockwell automation inc.commercialUSICS / OT / IoTaka rockwell automation arena, thinmanager, guardlogix 5580
rockwell automationcommercialUSICS / OT / IoTaka arena®, arena simulation, armorstart st

Exploitability

Official Patch Available

References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1769.html
rockwellautomation.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-029-03.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-26-029-03
cisa.gov
and 13 more references View all →

Timeline

Published
Jan 20, 2026
Last Updated
Jan 26, 2026

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