CVSS 3.1 Score 9.8 of 10 (high)


Published Nov 30, 2023
Updated: Dec 6, 2023


CVE-2023-4474 is a critical vulnerability that affects the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0. This vulnerability allows an unauthenticated attacker to execute operating system commands by sending a crafted URL to the vulnerable device's WSGI server. The risk score for this vulnerability is 75, indicating a high potential danger to organizations. The base severity is rated as critical, with a base score of 9.8 out of 10. To remediate this vulnerability, it is recommended to update the affected firmware versions to the latest available version provided by Zyxel.

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