Check Point Advisories

TOTOLINK N150RT Buffer Overflow (CVE-2025-3988; CVE-2025-3989; CVE-2025-3990; CVE-2025-3991; CVE-2025-3992; CVE-2025-3993; CVE-2025-4462)

Vulnerability
Protection

Check Point Reference:	CPAI-2025-0271
Date Published:	15 May 2025
Severity:	High
Last Updated:	Wednesday 25 June, 2025
Source:
Industry Reference:	CVE-2025-3988 CVE-2025-3989 CVE-2025-3990 CVE-2025-3991 CVE-2025-3992 CVE-2025-3993 CVE-2025-4462
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	TOTOLINK N150RT V3.4.0-B20190525
Vulnerability Description	A buffer overflow vulnerability exists in TOTOLINK N150RT. 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 N150RT 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: TOTOLINK N150RT Buffer Overflow