Check Point Advisories

TOTOLINK A702R Buffer Overflow (CVE-2025-8138)

Vulnerability
Protection

Check Point Reference:	CPAI-2025-0604
Date Published:	31 Jul 2025
Severity:	High
Last Updated:	Thursday 31 July, 2025
Source:
Industry Reference:	CVE-2025-8138
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	TOTOLINK A702R 4.0.0-b20230721.1521
Vulnerability Description	A buffer overflow vulnerability in TOTOLINK A702R allows remote attackers to execute arbitrary code by sending a crafted HTTP POST request to the /boafrm/formOneKeyAccessButton endpoint.

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 A702R Buffer Overflow (CVE-2025-8138) 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 A702R Buffer Overflow (CVE-2025-8138)