The vulnerabilities of the functions fds_sys_passDebugPasswd_ret() and fds_sys_passRecoveryPasswd_ret() (libfds.so.0.0) in the Zyxel GS1900 series router software allow a attacker to increase their privileges.

The vulnerabilities of the functions fdssyspassDebugPasswdret and fdssyspassRecoveryPasswdret libfds.so.0.0 of the Zyxel GS1900 series routers’ microprogramming system are related to insufficient protection of registration data. Exploiting these vulnerabilities can allow a malicious actor to gain...