Check Point Advisories

Tenda W20E Stack Overflow (CVE-2022-40866; CVE-2022-40867; CVE-2022-40868; CVE-2023-26805; CVE-2023-26806)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-0991
Date Published:	11 Dec 2022
Severity:	Critical
Last Updated:	Sunday 24 March, 2024
Source:
Industry Reference:	CVE-2022-40866 CVE-2022-40867 CVE-2022-40868 CVE-2023-26805 CVE-2023-26806
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Tenda W20E V15.11.0.6
Vulnerability Description	A stack overflow vulnerability exists in Tenda W20E. 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 Tenda W20E Stack 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: Tenda W20E Stack Overflow