Check Point Advisories

Tenda AC8 Buffer Overflow (CVE-2023-33669; CVE-2023-33670; CVE-2023-33672; CVE-2023-33675; CVE-2023-39784; CVE-2024-4064; CVE-2024-4065; CVE-2024-4066; CVE-2025-1853; CVE-2025-29101; CVE-2025-29118; CVE-2025-4368; CVE-2025-5798)

Vulnerability
Protection

Check Point Reference:	CPAI-2025-9895
Date Published:	1 Jan 2026
Severity:	Critical
Last Updated:	Thursday 01 January, 2026
Source:
Industry Reference:	CVE-2023-33669 CVE-2023-33670 CVE-2023-33672 CVE-2023-33675 CVE-2023-39784 CVE-2024-4064 CVE-2024-4065 CVE-2024-4066 CVE-2025-1853 CVE-2025-29101 CVE-2025-29118 CVE-2025-4368 CVE-2025-5798
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Tenda AC8 firmware version 16.03.34.06 Tenda AC8 firmware version 4.0 Tenda AC8 firmware version 16.03.34.09
Vulnerability Description	A buffer overflow vulnerability exists in Tenda AC8. 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 AC8 Buffer 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 AC8 Buffer Overflow