CVE-2023-6764 | Zyxel ATP/USG FLEX/USG FLEX 50/USG20-VPN IPSec VPN format string

A vulnerability was found in Zyxel ATP, USG FLEX, USG FLEX 50 and USG20-VPN. It has been classified as critical. This affects an unknown part of the component IPSec VPN. The manipulation leads to format string.

This vulnerability is uniquely identified as CVE-2023-6764. It is possible to initiate the attack remotely. There is no exploit available.