Check Point Advisories

D-Link DIR-816 Stack Overflow (CVE-2022-43002; CVE-2022-42998; CVE-2022-43000; CVE-2022-43001; CVE-2022-43003; CVE-2026-4181; CVE-2026-4182; CVE-2026-4183; CVE-2026-4184)

Vulnerability
Protection

Check Point Reference:	CPAI-2026-12787
Date Published:	30 Sep 2026
Severity:	Critical
Last Updated:	Wednesday 30 September, 2026
Source:
Industry Reference:	CVE-2022-42998 CVE-2022-43000 CVE-2022-43001 CVE-2022-43002 CVE-2022-43003 CVE-2026-4181 CVE-2026-4182 CVE-2026-4183 CVE-2026-4184
Protection Provided by:	Security Gateway R82, R81, R80, R77, R75
Who is Vulnerable?	D-Link DIR-816 1.10B05
Vulnerability Description	A stack overflow vulnerability in D-Link DIR-816 allows remote attackers to execute arbitrary code by sending a crafted request to the wizardstep54_pskpwd parameter at /goform/form2WizardStep54.

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-816 Stack Overflow (CVE-2022-43002) 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-816 Stack Overflow (CVE-2022-43002)