Check Point Advisories

D-Link Routers Command Injection (CVE-2021-45382)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-1156
Date Published:	11 Apr 2022
Severity:	Critical
Last Updated:	Sunday 22 October, 2023
Source:
Industry Reference:	CVE-2021-45382
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	D-Link DIR-810L Router D-Link DIR-820L/LW Router D-Link DIR-826L Router D-Link DIR-830L Router D-Link DIR-836L Router
Vulnerability Description	A command injection vulnerability exists in D-Link Routers. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary commands on 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 Command Injection (CVE-2021-45382) 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 Command Injection (CVE-2021-45382)