Multiple vulnerabilities in Zyxel zysh - hn security
How to setup Zyxel remote access points (RAP) | Let us assist you with setting up Security Gateways and Access Points; allowing remote locations to work as if they are in the
Zyxel VMG8825-T50 VoIP Internet Access Device - Unpacking and Initial Setup [EN] - YouTube
Access remote VLAN over IPsec VPN using Zyxel routers - Server Fault
Thai TrueOnline ZyXEL and Billion routers still unpatched since July