WAGO Series 750-88x and 750-87x
By exploiting the undocumented service access, it is possible to change the settings of a device and access web-based management with administrator privileges. An attacker can exploit this vulnerability to lock other users out from the device or open closed network ports. It is also possible to use this service access as an FTP user and exchange or delete the application.CVE-2019-10712 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).