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Check Point Advisories

TP-Link TL-WR841N Command Injection (CVE-2020-35576)

Check Point Reference: CPAI-2020-3376
Date Published: 6 Jul 2021
Severity: High
Last Updated: 6 Jul 2021
Industry Reference:CVE-2020-35576
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216
Vulnerability Description A command injection vulnerability exists in TP-Link TL-WR841N. 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 R80 / R77 / R75

  1. In the IPS tab, click Protections and find the TP-Link TL-WR841N Command Injection (CVE-2020-35576) 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:  TP-Link TL-WR841N Command Injection (CVE-2020-35576)

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