Check Point Advisories

TOTOLINK A950RG Buffer Overflow (CVE-2025-45797)

Vulnerability
Protection

Check Point Reference:	CPAI-2025-0566
Date Published:	23 Jul 2025
Severity:	Critical
Last Updated:	Wednesday 23 July, 2025
Source:
Industry Reference:	CVE-2025-45797
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	TOTOLINK A950RG firmware version 4.1.2cu.5204 b20210112
Vulnerability Description	A buffer overflow vulnerability exists in TOTOLINK A950RG. 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 TOTOLINK A950RG Buffer Overflow (CVE-2025-45797) 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: TOTOLINK A950RG Buffer Overflow (CVE-2025-45797)