CVE-2025-8078

7.2 HIGH

Published: October 21, 2025 Modified: October 28, 2025

Description

A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on the affected device by passing a crafted string as an argument to a CLI command.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-injection-and-missing-authorization-vulnerabilities-in-zld-firewalls-10-21-2025

Source: security@zyxel.com.tw

Vendor Advisory

1 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.2 / 10.0

EPSS (Exploit Probability)

0.2%

41th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-78

Affected Vendors

zyxel

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