Check Point Advisories

Tenda AC Stack Overflow (CVE-2022-25434; CVE-2022-25435; CVE-2022-25437; CVE-2022-25439; CVE-2022-25440; CVE-2022-26278; CVE-2022-27016; CVE-2022-27022; CVE-2024-2898)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-1019
Date Published:	11 Dec 2022
Severity:	Critical
Last Updated:	Monday 28 July, 2025
Source:
Industry Reference:	CVE-2022-25434 CVE-2022-25435 CVE-2022-25437 CVE-2022-25439 CVE-2022-25440 CVE-2022-26278 CVE-2022-27016 CVE-2022-27022 CVE-2024-2898
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Tenda AC9 firmware v15.03.2.21 Tenda AC9 firmware v15.03.2.21_cn Tenda AC7 firmware v15.03.06.44
Vulnerability Description	A stack overflow vulnerability exists in Tenda AC. 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 AC 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 AC Stack Overflow