Check Point Advisories

Tenda F453 Buffer Overflow (CVE-2026-3169)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-12289
Date Published:	28 Sep 2026
Severity:	High
Last Updated:	Monday 28 September, 2026
Source:
Industry Reference:	CVE-2026-3169
Protection Provided by:	Security Gateway R82, R81, R80, R77, R75
Who is Vulnerable?	Tenda F453 1.0.0.3
Vulnerability Description	A buffer overflow vulnerability in Tenda F453 allows remote attackers to execute arbitrary code by sending a crafted packet to the httpd component.

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 R82 / R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Tenda F453 Buffer Overflow (CVE-2026-3169) 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 F453 Buffer Overflow (CVE-2026-3169)