Check Point Advisories

D-Link Routers Authentication Bypass (CVE-2020-26567)

Vulnerability
Protection

Check Point Reference:	CPAI-2020-3592
Date Published:	18 Sep 2022
Severity:	Medium
Last Updated:	Sunday 18 September, 2022
Source:
Industry Reference:	CVE-2020-26567
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	D-Link DSR-250N prior to 3.17B
Vulnerability Description	An authentication bypass vulnerability exists in D-Link DSR-250N. 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 (CVE-2020-26567) 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: Web Server Enforcement Violation.
Attack Information: D-Link Routers Authentication Bypass (CVE-2020-26567)