CVE-2022-45139: Wago 751-9301 Firmware

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A CORS Misconfiguration in the web-based management allows a malicious third party webserver to misuse all basic information pages on the webserver. In combination with CVE-2022-45138 this could lead to disclosure of device information like CPU diagnostics. As there is just a limited amount of information readable the impact only affects a small subset of confidentiality.

Affected products

• Wago 751-9301 Firmware: from 16, before 22 (fixed in 22); version 22 only; version 23 only
• Wago 752-8303/8000-002 Firmware: from 18, before 22 (fixed in 22); version 22 only; version 23 only
• Wago PFC100 Firmware: from 16, before 22 (fixed in 22); version 22 only; version 23 only
• Wago PFC200 Firmware: from 16, before 22 (fixed in 22); version 22 only; version 23 only
• Wago Touch Panel 600 Advanced Firmware: from 16, before 22 (fixed in 22); version 22 only; version 23 only
• Wago Touch Panel 600 Marine Firmware: from 16, before 22 (fixed in 22); version 22 only; version 23 only
• Wago Touch Panel 600 Standard Firmware: from 16, before 22 (fixed in 22); version 22 only; version 23 only

Published 2023-02-27. Last modified 2026-06-17.