CVE-2023-35138 CRITICAL

CVE-2023-35138

Vendor Zyxel
Product NAS326 firmware
Weakness CWE-78
Published November 30, 2023
Last update August 2, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 30, 2023 CVE published
August 2, 2024 Record updated