Check Point Advisories

TP-LINK WR-886N Multiple Buffer Overflow Vulnerabilities (CVE-2021-44622; CVE-2021-44623; CVE-2021-44625; CVE-2021-44626; CVE-2021-44627; CVE-2021-44628; CVE-2021-44629; CVE-2021-44630; CVE-2021-44631; CVE-2021-44632)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-1147
Date Published:	2 May 2022
Severity:	Critical
Last Updated:	Monday 02 May, 2022
Source:
Industry Reference:	CVE-2021-44622 CVE-2021-44623 CVE-2021-44625 CVE-2021-44626 CVE-2021-44627 CVE-2021-44628 CVE-2021-44629 CVE-2021-44630 CVE-2021-44631 CVE-2021-44632
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	TP-LINK WR-886N 20190826 2.3.8
Vulnerability Description	Multiple buffer overflow vulnerabilities exist in TP-LINK WR-886N. Successful exploitation of this vulnerability could result in a denial of service or execution of arbitrary code 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

In the IPS tab, click Protections and find the TP-LINK WR-886N Multiple Buffer Overflow Vulnerabilities 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 WR-886N Multiple Buffer Overflow Vulnerabilities