๐Ÿ” CVE Alert

CVE-2025-8078

HIGH 7.2
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-78
Vendor zyxel
Product atp series firmware
Published Oct 21, 2025
Last Updated Feb 26, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Zyxel / ATP series firmware
versions from V4.32 through V5.40
Zyxel / USG FLEX series firmware
version from V4.50 through V5.40
Zyxel / USG FLEX 50(W) series firmware
versions from V4.16 through V5.40
Zyxel / USG20(W)-VPN series firmware
versions from V4.16 through V5.40

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
zyxel.com: 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