Improper input validation in Rockwell Automation Plc - Micro850 L50e
CVE-2025-7693
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.004 (29.5th percentile) — read the EPSS interpretation.
Affected products
- Rockwell Automation Plc - Micro850 L50e — versions V20.011 - V22.011