Command Injection Vulnerability in Zyxel NAS326 and NAS542 Products
CVE-2023-4474

9.8CRITICAL

Key Information:

Vendor
Zyxel
Status
NAS326 firmware
NAS542 firmware
Vendor
CVE Published:
30 November 2023

Summary

A vulnerability in the WSGI server of the Zyxel NAS326 and NAS542 products enables unauthenticated attackers to execute operating system commands. By crafting a specific URL, attackers can bypass authentication protocols, posing serious security risks. This flaw affects specific firmware versions, highlighting the importance of keeping software updated and implementing proper security measures.

Affected Version(s)

NAS326 firmware V5.21(AAZF.14)C0

NAS542 firmware V5.21(ABAG.11)C0

References

https://www.zyxel.com/global/en/support/security-advisori...
vendor-advisory
https://bugprove.com/knowledge-hub/cve-2023-4473-and-cve-...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.