Check Point Advisories

D-Link DIR-822 Authentication Bypass (CVE-2023-51987)

Check Point Reference: CPAI-2023-1833
Date Published: 10 Jul 2024
Severity: Critical
Last Updated: Wednesday 10 July, 2024
Industry Reference:CVE-2023-51987
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable? D-Link DIR-822 firmware 1.0.2
Vulnerability Description An authentication bypass vulnerability exists in D-Link DIR-822. 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 D-Link DIR-822 Authentication Bypass (CVE-2023-51987) 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:  Application Servers Protection Violation.
Attack Information:  D-Link DIR-822 Authentication Bypass (CVE-2023-51987)

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