The vulnerability of the Zyxel ZLD operating system allows a remote attacker to escalate their privileges.

Exploiting a vulnerability in the operating system of the Zyxel ZyWALL USG 300 network interface card allows a malicious actor to upload and download device configuration files without additional authentication. As a result, the malicious actor can view or modify the administrator’s password...

The vulnerability of the Zyxel ZLD operating system allows a remote attacker to escalate their privileges.

The Zyxel ZyWALL USG 300 network firewall/routing system has a bug during the default password change process. As a result, the Quagga and Zebra processes continue to respond to requests made with the old password...