CVE-2026-14818: Improper Limitation of a Pathname to a Restricted Directory

A path traversal vulnerability in the CLI command used to execute configuration files in Zyxel ATP series firmware versions from V4.32 through V5.42 Patch 1, USG FLEX series firmware versions from V4.50 through V5.42 Patch 1, USG FLEX 50W series firmware versions from V4.16 through V5.42 Patch 1,...

CVE-2025-11730: Improper Neutralization of Special Elements used in an OS Command

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 50W series firmware versions from V5.35 through V5.41, and...

CVE-2025-8078: Improper Neutralization of Special Elements used in an OS Command

A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50W series firmware versions from V4.16 through V5.40, and USG20W-VPN series firmware versions from V4.16...

CVE-2025-9133: Missing Authorization

A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50W series firmware versions from V4.16 through V5.40, and USG20W-VPN series firmware versions from V4.16 through V5.40 could...

CVE-2024-11667

CVE-2024-11667 involves a directory traversal flaw in Zyxel firewalls' web management interface (ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN) affecting firmware V5.00–V5.38 (and related ranges). The vulnerability could allow an attacker to download or upload files via a crafted URL, with impact t...

CVE-2024-11667

A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50W series firmware versions V5.10 through V5.38, and USG20W-VPN series firmware versions V5.10 through...

CVE-2024-11667: Improper Limitation of a Pathname to a Restricted Directory

A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50W series firmware versions V5.10 through V5.38, and USG20W-VPN series firmware versions V5.10 through...

CVE-2024-42061

A reflected cross-site scripting XSS vulnerability in the CGI program "dynamicscript.cgi" of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50W series firmware versions from V4.16 through V5.38, and USG20W-VPN seri...

CVE-2024-42059

A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V5.00 through V5.38, USG FLEX series firmware versions from V5.00 through V5.38, USG FLEX 50W series firmware versions from V5.00 through V5.38, and USG20W-VPN series firmware versions from V5.00...

CVE-2024-42060

A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50W series firmware versions from V4.16 through V5.38, and USG20W-VPN series firmware versions from V4.16...

CVE-2024-42057

A command injection vulnerability in the IPSec VPN feature of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50W series firmware versions from V4.16 through V5.38, and USG20W-VPN series firmware versions from V4.16...

CVE-2024-42061

CVE-2024-42061 is a documented reflected cross-site scripting (XSS) vulnerability in Zyxel devices. The CGI program \

CVE-2024-42061

A reflected cross-site scripting XSS vulnerability in the CGI program "dynamicscript.cgi" of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50W series firmware versions from V4.16 through V5.38, and USG20W-VPN seri...

CVE-2024-42060

CVE-2024-42060 is a post-authentication command-injection vulnerability in Zyxel devices, affecting firmware ranges: ATP v4.32–5.38 , USG FLEX v4.50–5.38 , USG FLEX 50(W) v4.16–5.38 , and USG20(W)-VPN v4.16–5.38 . An authenticated administrator can upload a crafted internal user agreement file to...

CVE-2024-42060

A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50W series firmware versions from V4.16 through V5.38, and USG20W-VPN series firmware versions from V4.16...

CVE-2024-42060

A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50W series firmware versions from V4.16 through V5.38, and USG20W-VPN series firmware versions from V4.16...

CVE-2024-42059

CVE-2024-42059 affects Zyxel devices including ATP series firmware V5.00–V5.38, USG FLEX series V5.00–V5.38, USG FLEX 50(W) V5.00–V5.38, and USG20(W)-VPN V5.00–V5.38. The issue is a post-authentication command-injection vulnerability in the FTP handling that allows an authenticated administrator ...

CVE-2024-42059

A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V5.00 through V5.38, USG FLEX series firmware versions from V5.00 through V5.38, USG FLEX 50W series firmware versions from V5.00 through V5.38, and USG20W-VPN series firmware versions from V5.00...

CVE-2024-42058

A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50W series firmware versions from V5.20 through V5.38, and USG20W-VPN series firmware versions from V5.20 through V5.38 cou...

CVE-2024-42058

CVE-2024-42058 is a null pointer dereference vulnerability in Zyxel devices: Zyxel ATP firmware v4.32–v5.38, USG FLEX v4.50–v5.38, USG FLEX 50(W) v5.20–v5.38, and USG20(W)-VPN v5.20–v5.38. It allows an unauthenticated attacker to cause DoS by sending crafted packets, with network attack vector an...