Mitsubishi Electric MELSEC iQ-F Series is affected by CWE-770 (Improper Resource Allocation) enabling denial-of-service conditions on process control hardware, covered under CISA advisory ICSA-25-037-02; no active exploitation is confirmed. DoS on PLC hardware carries direct operational impact potential in manufacturing and process control environments. Baseline normal CPU and memory utilization on affected controllers, alert on deviations, and apply vendor patches per the CISA advisory; avoid active scanning against these devices to prevent inadvertent operational disruption.