Check Point Advisories

Zyxel VMG4325-B10A Authentication Bypass(CVE-2025-0890)

Check Point Reference: CPAI-2025-0112
Date Published: 30 Mar 2025
Severity: Critical
Last Updated: Sunday 30 March, 2025
Source:
Industry Reference:CVE-2025-0890
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615
Vulnerability Description An authentication bypass vulnerability exists in Zyxel VMG4325-B10A. Successful exploitation of this vulnerability could allow a remote attacker to damage users system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Zyxel VMG4325-B10A Authentication Bypass(CVE-2025-0890) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Zyxel VMG4325-B10A Authentication Bypass(CVE-2025-0890)

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