CVE-2025-12012: Rockwell Automation Compactlogix 5370 Compact Guardlogix 5370 Controllogix 5570 Guardlogix 5570

Critical severity, CVSS 9.2. EPSS: 0.4% chance of exploitation in the next 30 days.

A denial-of-service issue exists in 5380/5480/5580 controllers. This vulnerability could potentially allow a malicious user to write invalid file data to the controller, causing the device to enter a major non-recoverable fault (MNRF).

Affected products

• Rockwell Automation Compactlogix 5370 Compact Guardlogix 5370 Controllogix 5570 Guardlogix 5570: up to and including V35.011

Published 2026-07-14. Last modified 2026-09-29.