Vulnerabilities > Zyxel > Nas540 Firmware > 5.21.aatb.9.c0

DATE CVE VULNERABILITY TITLE RISK
2023-06-19 CVE-2023-27992 OS Command Injection vulnerability in Zyxel Nas326 Firmware, Nas540 Firmware and Nas542 Firmware
The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands remotely by sending a crafted HTTP request.
network
low complexity
zyxel CWE-78
critical
9.8