CVE-2025-14027: Rockwell Automation ControlLogix® Redundancy Enhanced Module · Memory Leak
Affects Rockwell Automation ControlLogix® Redundancy Enhanced ModuleSource CVE Database V5
Not known to be exploited · CVSS 8.7 High.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 32% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Rockwell AutomationControlLogix® Redundancy Enhanced Module | Affected
| Fixed in– |
AI-suggested
Organizations should immediately implement network segmentation to isolate ControlLogix® modules from untrusted networks, limiting exposure to crafted malicious inputs. Deploy strict input validation and anomaly detection on industrial network traffic to identify and block malformed Class 3 messages or unusual resource consumption patterns. Monitor device logs and network behavior for signs of memory leaks or resource exhaustion. Engage with Rockwell Automation for timely updates and patches once available, and plan for scheduled maintenance windows to apply fixes. Consider deploying redundant systems or failover mechanisms to maintain operational continuity during potential disruptions. Additionally, restrict network access to these modules using firewalls and VPNs, and implement strict access control policies to minimize attack surface.
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.