CVE-2025-14027: Rockwell Automation Recommends Upgrading From 1756-RM2 XT To 1756-RM3 XT
Vulnerability summary
CVE-2025-14027 is a high (CVSS 8.7) vulnerability in rockwell automation controllogix® redundancy enhanced module. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 31% of scored vulnerabilities.
Timeline
- 20-01-2026PublishedVulnerability first disclosed.
- 20-01-2026Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 version- NVDNIST8.7HighCVSS:4.0/AV:N/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:X/V:X/RE:X/U:X
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.37% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Rockwell automation1 product
- controllogix® redundancy enhanced moduleAll versions (No fix recorded)
1 vendor · 1 product