What’s Vulnerable › Vulnerabilities

CVE-2025-14027: Rockwell Automation Recommends Upgrading From 1756-RM2 XT To 1756-RM3 XT

• Severity: high (CVSS 8.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-20 · updated 2026-06-17
• Weakness: CWE-401

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.

Affected products

• Rockwell Automation ControlLogix® Redundancy Enhanced Module: all versions

References

• https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1769.html

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