CVE-2019-6852: Schneider Electric 140 CPU6X Firmware

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

A CWE-200: Information Exposure vulnerability exists in Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions), which could cause the disclosure of FTP hardcoded credentials when using the Web server of the controller on an unsecure network.

Affected products

• Schneider Electric 140 CPU6X Firmware: any version
• Schneider Electric 140 Noc 77101 Firmware: any version
• Schneider Electric 140 Noc 78x00 Firmware: any version
• Schneider Electric 140 Noe 771x1 Firmware: any version
• Schneider Electric Bmx Noc 0401 Firmware: any version
• Schneider Electric Bmx Noe 0100 Firmware: any version
• Schneider Electric Bmx Noe 0110 Firmware: any version
• Schneider Electric Bmx p34x Firmware: any version
• Schneider Electric Tsx Ety x103 Firmware: any version
• Schneider Electric Tsx p57x Firmware: any version

Published 2019-11-20. Last modified 2026-06-17.