CVE-2016-7113: Siemens EN100 Ethernet Module Firmware

High severity, CVSS 7.5. EPSS: 3% 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. Specially crafted packets sent to port 80/tcp could cause the affected device to go into defect mode.

Affected products

• Siemens EN100 Ethernet Module Firmware: version 4.28 only

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