Zyxel USG/UAG/ATP/VPN/NXC External DNS Requests
Posted by deepcore on August 31, 2019 – 1:37 am
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.
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