CVE-2020-12506

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication
This issue affects:
WAGO 750-362
version FW03 and prior versions.
WAGO 750-363
version FW03 and prior versions.
WAGO 750-823
version FW03 and prior versions.
WAGO 750-832/xxx-xxx
version FW03 and prior versions.
WAGO 750-862
version FW03 and prior versions.
WAGO 750-891
version FW03 and prior versions.
WAGO 750-890/xxx-xxx
version FW03 and prior versions.

Source: CVE-2020-12506