CVE-2025-7693: Rockwell Automation PLC - MICRO850 l50e

Critical severity, CVSS 9.3. EPSS: 0.4% chance of exploitation in the next 30 days.

A security issue exists due to improper handling of malformed CIP Forward Close packets during fuzzing. The controller enters a solid red Fault LED state and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF015. To recover, clear the fault.

Affected products

Published 2025-08-18. Last modified 2026-06-17.