VULNERABILITY INTELLIGENCE

CVE-2023-4473

CVSS score9.8 CRITICAL
EPSS probability41.35%
CISA KEVNot currently listed
Published2023-11-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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

Weakness classification

  • security@zyxel.com.tw: CWE-78

Primary references