CVE-2019-5156: Wago PFC200 Firmware

High severity, CVSS 7.2. EPSS: 4.2% chance of exploitation in the next 30 days.

An exploitable command injection vulnerability exists in the cloud connectivity functionality of WAGO PFC200 versions 03.02.02(14), 03.01.07(13), and 03.00.39(12). An attacker can inject operating system commands into the TimeoutPrepared parameter value contained in the firmware update command.

Affected products

• Wago PFC200 Firmware: version 03.00.39(12) only; version 03.01.07(13) only; version 03.02.02(14) only

Published 2020-03-11. Last modified 2026-06-17.