cbcvebase.
CVE-2025-11730
published 2026-02-05

CVE-2025-11730: A post‑authentication command injection vulnerability in the Dynamic DNS (DDNS) configuration CLI command in Zyxel ATP series firmware versions from V5.35…

high7.2CVSS 3.1
AVNACLPRHUINSUCHIHAH
A post‑authentication command injection vulnerability in the Dynamic DNS (DDNS) configuration CLI command in Zyxel ATP series firmware versions from V5.35 through V5.41, USG FLEX series firmware versions from V5.35 through V5.41, USG FLEX 50(W) series firmware versions from V5.35 through V5.41, and USG20(W)-VPN series firmware versions from V5.35 through V5.41 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device by supplying a specially crafted string as an argument to the CLI command.

Affected

4 ranges
VendorProductVersion rangeFixed in
zyxelatp_series_firmware
zyxelusg20_vpn_series_firmware
zyxelusg_flex_50_series_firmware
zyxelusg_flex_series_firmware