Check Point Advisories

D-Link DIR-513 Buffer Overflow (CVE-2026-6012; CVE-2026-4555; CVE-2026-6014)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-13072
Date Published:	30 Sep 2026
Severity:	High
Last Updated:	Wednesday 30 September, 2026
Source:
Industry Reference:	CVE-2026-4555 CVE-2026-6012 CVE-2026-6014
Protection Provided by:	Security Gateway R82, R81, R80, R77, R75
Who is Vulnerable?	D-Link DIR-513 1.10
Vulnerability Description	A buffer overflow vulnerability in D-Link DIR-513 allows remote attackers to execute arbitrary code by exploiting the formSetPassword function in the POST Request Handler. This vulnerability affects D-Link DIR-513 devices running firmware version 1.10.

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 D-Link DIR-513 Buffer Overflow (CVE-2026-6012) 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: D-Link DIR-513 Buffer Overflow (CVE-2026-6012)