Check Point Advisories

TP-Link WR886N Buffer Overflow (CVE-2021-44864)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-1102
Date Published:	30 Mar 2022
Severity:	Medium
Last Updated:	Wednesday 30 March, 2022
Source:
Industry Reference:	CVE-2021-44864
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n
Vulnerability Description	A buffer overflow vulnerability exists in TP-Link WR886N. Successful exploitation of this vulnerability could result in a denial of service of 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 TP-Link WR886N Buffer Overflow (CVE-2021-44864) 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: TP-Link WR886N Buffer Overflow (CVE-2021-44864)