Check Point Advisories

Zyxel DX5401-B0 Information Disclosure (CVE-2023-28770)

Vulnerability
Protection

Check Point Reference:	CPAI-2023-0562
Date Published:	1 Aug 2023
Severity:	High
Last Updated:	Tuesday 01 August, 2023
Source:
Industry Reference:	CVE-2023-28770
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Zyxel DX5401-B0 prior to V5.17(ABYO.1)C0
Vulnerability Description	An information disclosure vulnerability exists in Zyxel DX5401-B0. Successful exploitation of this vulnerability would allow a remote attacker to obtain sensitive information.

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

In the IPS tab, click Protections and find the Zyxel DX5401-B0 Information Disclosure (CVE-2023-28770) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Application Servers Protection Violation.
Attack Information: Zyxel DX5401-B0 Information Disclosure (CVE-2023-28770)