CVE-2023-28771
🔥 Known Exploited (CISA KEV)CRITICAL
9.8
CVSS Severity Score
Vulnerability Description
Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.
Affected Platforms (CPE)
💻
Zyxel
Atp100 Firmware
>= 4.60 and < 5.36
💻
Zyxel
Atp100w Firmware
>= 4.60 and < 5.35
💻
Zyxel
Atp200 Firmware
>= 4.60 and < 5.36
💻
Zyxel
Atp500 Firmware
>= 4.60 and < 5.36