Check Point Advisories

D-Link DIR-823X Command Injection (CVE-2025-14208)

Check Point Reference: CPAI-2025-18750
Date Published: 30 Sep 2026
Severity: High
Last Updated: Wednesday 30 September, 2026
Source:
Industry Reference:CVE-2025-14208
Protection Provided by:

Security Gateway
R82, R81, R80, R77, R75
Who is Vulnerable? D-Link DIR-823X 20250416
Vulnerability Description A command injection vulnerability in D-Link DIR-823X allows remote attackers to execute arbitrary commands by manipulating the ppp_username argument in the /goform/set_wan_settings function.

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

  1. In the IPS tab, click Protections and find the D-Link DIR-823X Command Injection (CVE-2025-14208) protection using the Search tool and Edit the protection's settings.
  2. 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-823X Command Injection (CVE-2025-14208)

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