CVE-2025-9938 - CVE House

Back to Database

Status published High CVE-2025-9938

D-Link DI-8400 yyxz.asp yyxz_dlink_asp stack-based overflow

8.7 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-9938

Check My Exposure

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

n0ps1ed (VulDB User)

References

More from D-Link

View All →

D-Link DI-7400G+ mng_platform.asp sub_478D28 command injection

D-Link DIR-852 SOAP Service soap.cgi soapcgi_main os command injection

D-Link DI-500WF jhttpd version_upgrade.asp os command injection

D-Link DIR-816L soap.cgi soapcgi_main os command injection

D-Link DIR-860L Simple Service Discovery Protocol cgibin ssdpcgi_main os command injection

Affected Vendor

D-Link

View all reports →

Affected Software

DI-8400

Vulnerable Versions:

16.07.26A1

Timeline

Official Publish: September 3rd, 2025

Last Modified: September 4th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Weaknesses (CWE)

CWE-121 CWE-119

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1055 Process Injection

Defense Evasion

T1105 Ingress Tool Transfer

Command and Control

T1485 Data Destruction

T1203 Exploitation for Client Execution