Schneider Electric Modicon M340 Controller and Communication Modules

View CSAF Summary Schneider Electric is aware of a vulnerability in its Modicon M340 https://www.se.com/ww/en/product-range/1468-modicon-m340-pac/, BMXNOR0200H https://www.se.com/us/en/product/BMXNOR0200H/communication-module-modicon-m340-iec-608705101-104-dnp3-for-severe-environments/: Modicon M340 X80 Ethernet Communication Modules, BMXNGD0100 https://www.se.com/us/en/product/BMXNGD0100/communication-module-modicon-m580-global-data-service/: M580 Global Data module, BMXNOC0401 https://www.se.com/us/en/product/BMXNOC0401/network-module-modicon-m340-ethernet-ip-and-modbus-tcp-4-x-rj45/?pageType=product&sourceId=BMXNOC0401: Modicon M340 X80 Ethernet Communication modules, BMXNOE0100 https://www.se.com/ww/en/product/BMXNOE0100/network-module-modicon-m340-modbus-tcp-1-x-rj45-flash-memory-card/?pageType=product&sourceId=BMXNOE0100: Modbus/TCP Ethernet Modicon M340 module, BMXNOE0110 https://www.se.com/ww/en/product/BMXNOE0110/ethernet-tcp-ip-network-module-modicon-m340-automation-platform-flash-memory-card-internal-ram-16-mb-1-x-rj45-10-100/: Modbus/TCP Ethernet Modicon M340 FactoryCast module product(s). Failure to apply the fix provided below may risk Denial Of Service attack, which could result in the unavailability of the devices. The following versions of Schneider Electric Modicon M340 Controller and Communication Modules are affected: Schneider Electric Ethernet/Serial RTU Module: vers:generic/<SV1.7_IR27 Schneider Electric M580 Global Data module: vers:all/* Schneider Electric Ethernet / Serial RTU Module: vers:all/* Schneider Electric Modbus/TCP Ethernet Modicon M340 module: vers:intdot/<3.60 Schneider Electric Modbus/TCP Ethernet Modicon M340 FactoryCast module: vers:intdot/<6.80 Schneider Electric Modicon M340 Firmware Versions prior to SV3.70 installed on Modicon M340 Controller: All versions CVSS Vendor Equipment Vulnerabilities v3 7.5 Schneider Electric Schneider Electric Modicon M340 Controller and Communication Modules Improper Input Validation Background Critical Infrastructure Sectors: Chemical, Commercial Facilities, Critical Manufacturing, Energy, Water and Wastewater Countries/Areas Deployed: Worldwide Company Headquarters Location: France Vulnerabilities Expand All + CVE-2025-6625 CWE-20: Improper Input Validation vulnerability exists that could cause a Denial Of Service when specific crafted FTP command is sent to the device. View CVE Details Affected Products Schneider Electric Modicon M340 Controller and Communication Modules Vendor: Schneider Electric Product Version: Ethernet / Serial RTU Module All versions, M580 Global Data module All versions, Modicon M340 X80 Ethernet Communication modules All versions, Modbus/TCP Ethernet Modicon M340 module Versions prior to 3.60, Modbus/TCP Ethernet Modicon M340 FactoryCast module Versions prior to 6.80 Product Status: fixed, known_affected Remediations Vendor fix Version 3.60 of BMXNOE0100 includes a fix for this vulnerability and is available for download here: https://www.se.com/ww/en/product/BMXNOE0100/network-module-modicon-m340-modbus-tcp-1-x-rj45-flash-memory-card/ Reboot is needed to complete the firmware upgrade Vendor fix Version 6.80 of BMXNOE0110 includes a fix for this vulnerability and is available for download here: https://www.se.com/ww/en/product/BMXNOE0110/ethernet-tcp-ip-network-module-modicon-m340-automation-platform-flash-memory-card-internal-ram-16-mb-1-x-rj45-10-100/ Reboot is needed to complete the firmware upgrade Vendor fix Version SV3.70 of Modicon M340 includes a fix for this vulnerability and is available for download here: https://www.se.com/ww/en/product-range/1468-modicon-m340/#software-and-firmware Vendor fix Version SV1.7 IR27 of BMXNOR0200H includes a fix for this vulnerability and is available for download here: https://www.se.com/ww/en/product/BMXNOR0200H/ethernet-serial-rtu-module-2-x-rj45/ Mitigation If customers choose not to apply the remediation provided above, they should immediately apply the following mitigations to red