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CVE-2021-34578
CRITICAL
CVSS: 9.8
Published: 2021-08-31
Modified: 2026-06-17
Description
This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07.
Affected Platforms
Wago 750-893Wago 750-832\/000-002Wago 750-890\/025-002 FirmwareWago 750-890\/025-002Wago 750-362 FirmwareWago 750-832\/000-002 FirmwareWago 750-862Wago 750-890\/025-001Wago 750-823 FirmwareWago 750-832 Firmware