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CVE-2025-9938

8.8 · HIGH
Published Sep 4, 2025 dlink CWE-119 EPSS 1.51% (73th pctl)

Overview

CVE-2025-9938 is a high-severity vulnerability affecting dlink di-8400_firmware. It was published on September 4, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

A weakness has been identified in D-Link DI-8400 16.07.26A1. The affected element is the function yyxz_dlink_asp of the file /yyxz.asp. This manipulation of the argument ID causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be exploited.

Remediation

Check the references section for vendor advisories and patches from dlink. Update di-8400_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2025-9938?

CVE-2025-9938 is a high-severity vulnerability affecting dlink di-8400_firmware. It was published on September 4, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-9938?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-9938?

Check the references section for vendor advisories and patches from dlink. Update di-8400_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-9938?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-9938 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.