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.
Published: 2023-11-30
Score: 9.8 Critical
EPSS: 32.9% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

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History

Wed, 17 Dec 2025 05:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'Yes', 'Exploitation': 'PoC', 'Technical Impact': 'Total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 16 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:zyxel:nas326_firmware:5.21\(aazf.14\)c0:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:nas542_firmware:5.21\(abag.11\)c0:*:*:*:*:*:*:*
Metrics ssvc

{'options': {'Automatable': 'Yes', 'Exploitation': 'PoC', 'Technical Impact': 'Total'}, 'version': '2.0.3'}


Subscriptions

Zyxel Nas326 Nas326 Firmware Nas542 Nas542 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: Zyxel

Published:

Updated: 2025-12-16T18:23:26.188Z

Reserved: 2023-08-22T06:51:30.982Z

Link: CVE-2023-4473

cve-icon Vulnrichment

Updated: 2024-08-02T07:31:05.492Z

cve-icon NVD

Status : Modified

Published: 2023-11-30T02:15:43.347

Modified: 2024-11-21T08:35:14.490

Link: CVE-2023-4473

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses