Check Point Advisories

Tenda Routers Stack Overflow (CVE-2022-40942; CVE-2023-40802; CVE-2023-45482; CVE-2023-45483)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-1020
Date Published:	6 Dec 2022
Severity:	Critical
Last Updated:	Thursday 28 March, 2024
Source:
Industry Reference:	CVE-2022-40942 CVE-2023-40802 CVE-2023-45482 CVE-2023-45483
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Tenda TX3 US_TX3V1.0br_V16.03.13.11 Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn
Vulnerability Description	A stack overflow vulnerability exists in Tenda routers. 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 Routers 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 Routers Stack Overflow