Critical severity · published Dec 29, 2025
CVE-2025-15194
D-Link DIR-600 HTTP Header hedwig.cgi stack-based overflow
9.8
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-600 · D-Link
2.15WWb02 · source: vendor
DF
Dir-600 Firmware · Dlink
2.15ww · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15194
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15194
Exploit
https://github.com/LonTan0/CVE/blob/main/Stack-Based%20Buffer%20Overflow%20Vulnerability%20in%20hedwig.cgi%20of%20D-Link%20DIR-600.md
Exploit
https://github.com/LonTan0/CVE/blob/main/Stack-Based%20Buffer%20Overflow%20Vulnerability%20in%20hedwig.cgi%20of%20D-Link%20DIR-600.md#poc
Permissions Required
https://vuldb.com/?ctiid.338581
Third Party Advisory
https://vuldb.com/?id.338581
Third Party Advisory
https://vuldb.com/?submit.724404
Product
https://www.dlink.com/
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