Full title: Zyxel USG/UAG/ATP/VPN/NXC External DNS Requests Vulnerability 
Category: web applications
Platform: hardware
Zyxel USG/UAG/ATP/VPN/NXC series suffer from an issue where a DNS request can be made by an unauthenticated attacker to either spam a DNS service of a third party with requests that have a spoofed origin or probe whether domain names are present on the internal network behind the firewall.

# 0day.today @ http://0day.today/