CVE-2024-6342

CRITICAL

Zyxel NAS326 and NAS542 Firmware - Unauthenticated OS Command Injection via Export-CGI

Title source: llm

Description

**UNSUPPORTED WHEN ASSIGNED** A command injection vulnerability in the export-cgi program of Zyxel NAS326 firmware versions through V5.21(AAZF.18)C0 and NAS542 firmware versions through V5.21(ABAG.15)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-os-command-injection-vulnerability-in-nas-products-09-10-2024

Scores

CVSS v3 9.8

EPSS 0.0660

EPSS Percentile 91.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-78

Status published

Products (4)

zyxel/nas326_firmware 5.21\(aazf.18\)c0

zyxel/nas326_firmware < 5.21\(aazf.18\)c0

zyxel/nas542_firmware 5.21\(abag.15\)c0

zyxel/nas542_firmware < 5.21\(abag.15\)c0

Published Sep 10, 2024

Tracked Since Feb 18, 2026