CVE-2022-3843: Wago 852-111/000-001 Firmware

Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days.

In WAGO Unmanaged Switch (852-111/000-001) in firmware version 01 an undocumented configuration interface without authorization allows an remote attacker to read system information and configure a limited set of parameters.

Affected products

• Wago 852-111/000-001 Firmware: version 01 only

Published 2023-02-16. Last modified 2026-06-17.