M340, Quantum, Premium and STB Ethernet Communication Modules Security Resolution

This document is a security resolution from Schneider Electric detailing multiple vulnerabilities (Telnet, Windriver Debug port, FTP, and hardcoded credentials) found in Ethernet communication modules for M340, Quantum, Premium PLCs and STB I/O. It lists affected products and firmware versions, provides recommendations for fixes (including firmware updates and FTP disable features), and offers mitigation guidance via firewall and network architecture settings.