CVE-2023-28771

Zyxel Multiple Firewalls OS Command Injection Vulnerability

Description

Zyxel ATP, USG FLEX, VPN, and ZyWALL/USG firewalls allow for improper error message handling which could allow an unauthenticated attacker to execute OS commands remotely by sending crafted packets to an affected device.

Severity: CRITICAL

CVSS Score: 9.8

Vendor: Zyxel

Product: Multiple Firewalls