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...

Siemens S7-400 PLC has an industrial control device vulnerability

The S7-400 PLCs are programmable controllers for use in the mid- to high-grade performance range. A vulnerability exists in the Siemens S7-400 PLC for industrial control devices. An attacker can exploit the vulnerability to cause the control device to stop, the RUN light to go out, the STOP light...