CVE-2023-27992

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.
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:nas326:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:zyxel:nas540_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:nas540:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:nas542:-:*:*:*:*:*:*:*

History

19 Mar 2025, 20:58

Type Values Removed Values Added
References (MISC) https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-authentication-command-injection-vulnerability-in-nas-products - Patch, Vendor Advisory () https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-authentication-command-injection-vulnerability-in-nas-products - Patch, Vendor Advisory

27 Jun 2023, 12:49

Type Values Removed Values Added
First Time Zyxel
Zyxel nas326 Firmware
Zyxel nas326
Zyxel nas540
Zyxel nas540 Firmware
Zyxel nas542 Firmware
Zyxel nas542
CWE CWE-78
References (MISC) https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-authentication-command-injection-vulnerability-in-nas-products - (MISC) https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre-authentication-command-injection-vulnerability-in-nas-products - Patch, Vendor Advisory
CPE cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:nas540_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:nas326:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:nas542:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:nas540:-:*:*:*:*:*:*:*

19 Jun 2023, 12:15

Type Values Removed Values Added
New CVE

Information

Published : 2023-06-19 12:15

Updated : 2025-03-19 20:58


NVD link : CVE-2023-27992

Mitre link : CVE-2023-27992


JSON object : View

Products Affected

zyxel

  • nas540
  • nas326
  • nas540_firmware
  • nas542_firmware
  • nas326_firmware
  • nas542
CWE
CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')