Check Point Advisories

D-Link DIR-820L Buffer Overflow (CVE-2022-34973; CVE-2023-25281; CVE-2023-25283)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-1023
Date Published:	8 Dec 2022
Severity:	High
Last Updated:	Monday 10 June, 2024
Source:
Industry Reference:	CVE-2022-34973 CVE-2023-25281 CVE-2023-25283
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	D-Link DIR-820LA1_FW106B02 D-Link DIR-820LA1_FW105B03
Vulnerability Description	A buffer overflow vulnerability exists in D-Link DIR-820L. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes.

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 DIR-820L Buffer Overflow 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 DIR-820L Buffer Overflow