CVE-2023-37928: OS Command Injection

Published Nov 30, 2023
·
Updated

A post-authentication command injection vulnerability in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.

Affected Software

4 affected components
All of the following
Zyxel NAS326<=5.21\(aazf.14\)c0
Zyxel NAS326
All of the following
Zyxel NAS542 firmware<=5.21\(abag.11\)c0
Zyxel NAS542 firmware

Remediation

Patch Available

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products

Event History

Nov 30, 2023
CVE Published
01:37 AM
Data Sourced
01:37 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is CVE-2023-37928?

CVE-2023-37928 is a post-authentication command injection vulnerability in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0.

2

How does CVE-2023-37928 impact the Zyxel NAS326 firmware?

CVE-2023-37928 allows an authenticated attacker to execute operating system commands by sending a crafted URL to a vulnerable device.

3

What is the severity of CVE-2023-37928?

CVE-2023-37928 has a severity rating of 8.8 (high).

4

Is Zyxel NAS326 firmware version V5.21(AAZF.14)C0 affected by CVE-2023-37928?

Yes, Zyxel NAS326 firmware version V5.21(AAZF.14)C0 is affected by CVE-2023-37928.

5

How can I fix the CVE-2023-37928 vulnerability?

To fix the CVE-2023-37928 vulnerability, it is recommended to update the Zyxel NAS326 firmware to a version that is not vulnerable.

Company

Resources

Contact

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