Is CVE-2025-8078 actively exploited?

CVE-2025-8078 has no public evidence of in-the-wild exploitation as of 2025-10-28.

What is the CVSS score for CVE-2025-8078?

CVE-2025-8078 has a CVSS score of 7.2 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2025-8078?

Patch guidance is available from zyxel security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-8078.

Which products are affected by CVE-2025-8078?

3 products: zyxel zld, zyxel zld, zyxel zld.

Fix CVE-2025-8078 - HIGH zyxel zld

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: high
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-78 · OS Command Injection

Metadata

Primary Vendor: ZYXEL
Published: 10/21/2025
Last Modified: 10/28/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-8078

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary