Modicon M340 BMXNOE0100 and BMXNOE0110 Security Vulnerability Notification

This document details a vulnerability (CVE-2024-5056) in Schneider Electric's Modicon M340 programmable automation controller and its BMXNOE0100 and BMXNOE0110 network modules, which could prevent firmware updates and disrupt webserver behavior. It provides remediation versions (SV3.60 for BMXNOE0100, SV6.80 for BMXNOE0110) and mitigations, including network segmentation and FTP port blocking, for affected products.