Check Point Advisories

D-Link Routers Authentication Bypass (CVE-2019-13101; CVE-2021-42627)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-2078
Date Published:	18 Jan 2024
Severity:	Critical
Last Updated:	Wednesday 06 March, 2024
Source:
Industry Reference:	CVE-2019-13101 CVE-2021-42627
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	D-Link DIR-615 firmware 20.06 D-Link DIR-600M 3.02 until 3.06
Vulnerability Description	An authentication bypass vulnerability exists in D-Link routers. 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

In the IPS tab, click Protections and find the D-Link Routers Authentication Bypass 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: D-Link Routers Authentication Bypass