CVE-2024-6342: nas326 Command Injection — Fix

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.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
zyxel	nas326_firmware	< 5.21\(aazf.18\)c0
zyxel	nas326_firmware	All
zyxel	nas326	All
zyxel	nas542_firmware	< 5.21\(abag.15\)c0
zyxel	nas542_firmware	All
zyxel	nas542	All

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2024-6342? +

**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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-6342? +

CVE-2024-6342 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-6342? +

CVE-2024-6342 affects products from zyxel, specifically: nas326, nas326_firmware, nas542, nas542_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-6342? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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