coldbraid

CVE-2023-28771 Zyxel Multiple Firewalls

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.

CVSS
not scored

CWE-78

On CISA’s exploited list

Zyxel Multiple Firewalls OS Command Injection Vulnerability

Added
2023-05-31
Federal patch deadline
2023-06-21
Ransomware use
not known