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CVE Vulnerability Details :

CVE-2026-1459

PUBLISHED

More Info Official Page

Assigner-Zyxel

Assigner Org ID-96e50032-ad0d-4058-a115-4d2c13821f9f

Published At-24 Feb, 2026 | 02:48

Updated At-24 Feb, 2026 | 02:48

▼CVE Numbering Authority (CNA)

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.

Affected Products

Vendor

Zyxel Networks Corporation

Product

VMG3625-T50B firmware

Default Status

unaffected

Versions

Affected

<= 5.50(ABPM.9.7)C0

Problem Types

Type	CWE ID	Description
CWE	CWE-78	CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Type: CWE

CWE ID: CWE-78

Description: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Metrics

Version	Base score	Base severity	Vector
3.1	7.2	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Version: 3.1

Base score: 7.2

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

Hyperlink	Resource
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

Hyperlink: 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

Resource:

vendor-advisory

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References