Check Point Advisories

Zyxel Usg40 Firmware Authentication Bypass (CVE-2022-0342)

Check Point Reference: CPAI-2022-2139
Date Published: 4 Nov 2024
Severity: Critical
Last Updated: Monday 04 November, 2024
Source:
Industry Reference:CVE-2022-0342
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Zyxel Usg40 Firmware 4.20 and later, prior to 4.71
Vulnerability Description An authentication bypass vulnerability exists in Zyxel Usg40 Firmware. Successful exploitation of this vulnerability would allow remote attackers to gain unauthorized access into the affected 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 Usg40 Firmware Authentication Bypass (CVE-2022-0342) 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 Server Enforcement Violation.
Attack Information:  Zyxel Usg40 Firmware Authentication Bypass (CVE-2022-0342)

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