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NVD Vulnerability Details :

CVE-2026-1459

Received

Source-security@zyxel.com.tw

Published At-24 Feb, 2026 | 03:16

Updated At-24 Feb, 2026 | 03:16

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

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

Type: Primary

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

Weaknesses

CWE ID	Type	Source
CWE-78	Primary	security@zyxel.com.tw

CWE ID: CWE-78

Type: Primary

Source: security@zyxel.com.tw

References

Hyperlink	Source	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	security@zyxel.com.tw	N/A

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

Source: security@zyxel.com.tw

Resource: N/A

CISA Catalog

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