PowerLogic PM5300 Series Security Notification

This document details a high-severity vulnerability (CVE-2024-9409) in Schneider Electric's PowerLogic PM5300 series power meters, where uncontrolled resource consumption via IGMP packets can cause a denial of service. It provides remediation steps, including firmware updates for affected models (PM5320, PM5340, PM5341) and workarounds such as enabling IGMP snooping and multicast filtering.