CVE-2025-15194 CRITICAL

CVE-2025-15194: D-Link DIR-600 HTTP Header hedwig.cgi stack-based overflow

Vendor D-Link
Product DIR-600
Weakness CWE-121
Published December 29, 2025
Last update December 29, 2025

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was found in D-Link DIR-600 up to 2.15WWb02. Affected by this vulnerability is an unknown functionality of the file hedwig.cgi of the component HTTP Header Handler. The manipulation of the argument Cookie results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

Key dates

02Disclosure timeline

December 29, 2025 CVE published
December 29, 2025 Record updated