Command Injection Vulnerability in Zyxel NAS326 and NAS542 Firmware Versions V5.21(AAZF.14)C0 and V5.21(ABAG.11)C0

CVE-2023-35138 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A command injection vulnerability in the “show_zysync_server_contents” function of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.

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