CVE-2026-1459

A post-authentication command injection vulnerability in the TR-369 certificate download CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.7)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device.
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:zyxel:vmg8623-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:vmg8623-t50b:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:zyxel:dx5401-b1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:dx5401-b1:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:zyxel:emg3525-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:emg3525-t50b:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:zyxel:emg5523-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:emg5523-t50b:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:zyxel:vmg3625-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:vmg3625-t50b:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:zyxel:vmg3625-t50c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:vmg3625-t50c:-:*:*:*:*:*:*:*

History

25 Feb 2026, 18:05

Type Values Removed Values Added
Summary
  • (es) Una vulnerabilidad de inyección de comandos post-autenticación en el programa CGI de descarga de certificados TR-369 de las versiones de firmware Zyxel VMG3625-T50B hasta la 5.50(ABPM.9.7)C0 podría permitir a un atacante autenticado con privilegios de administrador ejecutar comandos del sistema operativo (SO) en un dispositivo afectado.
References () https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026 - () https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026 - Vendor Advisory
CPE cpe:2.3:h:zyxel:emg3525-t50b:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:vmg3625-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:vmg3625-t50c:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:vmg8623-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:emg5523-t50b:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:emg3525-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:vmg3625-t50c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:vmg3625-t50b:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:vmg8623-t50b:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:dx5401-b1:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:emg5523-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:dx5401-b1_firmware:*:*:*:*:*:*:*:*
First Time Zyxel vmg3625-t50b
Zyxel vmg3625-t50b Firmware
Zyxel dx5401-b1
Zyxel dx5401-b1 Firmware
Zyxel emg3525-t50b
Zyxel vmg8623-t50b
Zyxel emg5523-t50b
Zyxel vmg8623-t50b Firmware
Zyxel
Zyxel emg3525-t50b Firmware
Zyxel emg5523-t50b Firmware
Zyxel vmg3625-t50c Firmware
Zyxel vmg3625-t50c

24 Feb 2026, 03:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-24 03:16

Updated : 2026-02-25 18:05


NVD link : CVE-2026-1459

Mitre link : CVE-2026-1459

CVE.ORG link : CVE-2026-1459


JSON object : View

Products Affected

zyxel

  • vmg3625-t50b_firmware
  • vmg3625-t50c_firmware
  • dx5401-b1
  • emg5523-t50b
  • emg5523-t50b_firmware
  • emg3525-t50b_firmware
  • vmg8623-t50b
  • vmg3625-t50c
  • emg3525-t50b
  • vmg8623-t50b_firmware
  • vmg3625-t50b
  • dx5401-b1_firmware
CWE
CWE-78

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