Vulnerability · Published Dec 29, 2025 · Assigned by VulDB
CVE-2025-15194D-Link DIR-600 HTTP Header hedwig.cgi stack-based overflow
Critical 9.8
In plain English
A critical-severity stack buffer overflow in DIR-600 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-338581 | D-Link DIR-600 HTTP Header hedwig.cgi stack-based overflow vdb-entry, technical-description
- VDB-338581 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #724404 | D-Link DIR-600 v2.15WWb02 and possibly earlier versions Stack-based Buffer Overflow third-party-advisory
- https://github.com/LonTan0/CVE/blob/main/Stack-Based%20Buffer%20Overflow%20Vulnerability%20in%20hedwig.cgi%20of%20D-Link%20DIR-600.md related
- https://github.com/LonTan0/CVE/blob/main/Stack-Based%20Buffer%20Overflow%20Vulnerability%20in%20hedwig.cgi%20of%20D-Link%20DIR-600.md#poc exploit
- https://www.dlink.com/ product