CVE-2026-1459

Post-Authentication Command Injection in Zyxel VMG3625‑T50B Firmware

Published Feb 24, 2026 CVSS 3.1 · 7.2 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Post-Authentication Command Injection in Zyxel VMG3625‑T50B Firmware
Type Values Removed Values Added
First Time appeared Zyxel dx5401-b1
Zyxel dx5401-b1 Firmware
Zyxel emg3525-t50b
Zyxel emg3525-t50b Firmware
Zyxel emg5523-t50b
Zyxel emg5523-t50b Firmware
Zyxel vmg3625-t50b
Zyxel vmg3625-t50c
Zyxel vmg3625-t50c Firmware
Zyxel vmg8623-t50b
Zyxel vmg8623-t50b Firmware
CPEs cpe:2.3:h:zyxel:dx5401-b1:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:emg3525-t50b:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:emg5523-t50b:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:vmg3625-t50b:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:vmg3625-t50c:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:vmg8623-t50b:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:dx5401-b1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:emg3525-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:emg5523-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:vmg3625-t50b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:vmg3625-t50c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:vmg8623-t50b_firmware:*:*:*:*:*:*:*:*
Vendors & Products Zyxel dx5401-b1
Zyxel dx5401-b1 Firmware
Zyxel emg3525-t50b
Zyxel emg3525-t50b Firmware
Zyxel emg5523-t50b
Zyxel emg5523-t50b Firmware
Zyxel vmg3625-t50b
Zyxel vmg3625-t50c
Zyxel vmg3625-t50c Firmware
Zyxel vmg8623-t50b
Zyxel vmg8623-t50b Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Zyxel
Zyxel vmg3625-t50b Firmware
Vendors & Products Zyxel
Zyxel vmg3625-t50b Firmware
Type Values Removed Values Added
Description 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.
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}