CVE-2024-40890 HIGH

CVE-2024-40890

Vendor Zyxel
Product VMG4325-B10A firmware
Weakness CWE-78
KEV Status Known Exploited
Published February 4, 2025
Last update October 21, 2025
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

**UNSUPPORTED WHEN ASSIGNED** A post-authentication command injection vulnerability in the CGI program of the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an authenticated attacker to execute operating system (OS) commands on an affected device by sending a crafted HTTP POST request.

CISA mandated remediation

02CISA Required Action

The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization if a current mitigation is unavailable.

Key dates

03Disclosure timeline

February 4, 2025 CVE published
October 21, 2025 Record updated