CVE-2016-7112: Siemens EN100 Ethernet Module Firmware

Critical severity, CVSS 9.8. EPSS: 2.9% chance of exploitation in the next 30 days.

A vulnerability has been identified in Firmware variant PROFINET IO for EN100 Ethernet module : All versions < V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions < V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions < V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions < V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions < 1.02.02. Attackers with network access to the device's web interface (port 80/tcp) could possibly circumvent authentication and perform certain administrative operations.

Affected products

• Siemens EN100 Ethernet Module Firmware: up to and including 4.28

Published 2016-09-06. Last modified 2026-06-17.