Check Point Advisories

Belkin F9K1122 Stack Overflow (CVE-2025-7087)

Vulnerability
Protection

Check Point Reference:	CPAI-2025-11511
Date Published:	3 Feb 2026
Severity:	High
Last Updated:	Tuesday 03 February, 2026
Source:
Industry Reference:	CVE-2025-7087
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Belkin F9K1122 1.00.33
Vulnerability Description	A stack overflow vulnerability in Belkin F9K1122 allows remote attackers to execute arbitrary code by manipulating the L2TPUserName argument in the formL2TPSetup function of the webs 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Belkin F9K1122 Stack Overflow (CVE-2025-7087) 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: Belkin F9K1122 Stack Overflow (CVE-2025-7087)