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Status published
High
CVE-2023-27988
The post-authentication command injection vulnerability in the Zyxel NAS326 firmware...
Vulnerability Description
The post-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.13)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device remotely.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Zyxel
View all reports →Affected Software
NAS326 firmware
Vulnerable Versions:
< V5.21(AAZF.13)C0
Timeline
Official Publish:
May 30th, 2023
Last Modified:
January 14th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H