CVE-2023-27992
Published: Jun 19, 2023
Modified: Oct 21, 2025
CVSS v3.1
9.8
Description
The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands remotely by sending a crafted HTTP request.
| Vendor | Product | Versions |
|---|---|---|
Zyxel | NAS326 firmware | affected < V5.21(AAZF.14)C0 |
Zyxel | NAS540 firmware | affected < V5.21(AATB.11)C0 |
Zyxel | NAS542 firmware | affected < V5.21(ABAG.11)C0 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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