Zyxel Zld vulnerabilities

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Published CVEs affecting Zyxel Zld: 3 record(s), with affected versions and fixes.
cpe:2.3:o:zyxel:zld

CVE-2025-9133 High · 8.1 CWE-862 Oct 21, 2025

Missing Authorization in Zyxel Zld

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 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker—who has completed only the first stage of the two-factor authentication (2FA) process—to view and download the system configuration from an affected device.

CVE-2025-8078 High · 7.2 CWE-78 Oct 21, 2025

OS Command Injection in Zyxel Zld

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 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on the affected device by passing a crafted string as an argument to a CLI command.

CVE-2024-11667 Critical · 9.8 KEV Urgent · 71 Ransomware CWE-22 Nov 27, 2024

Zyxel Multiple Firewalls Path Traversal Vulnerability

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 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.