CVE-2025-15194

D-Link Dir-600 Firmware buffer overflow

9.8 CRITICALPublic exploitEPSS 1.18%

Published29 Dec 2025

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 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

D-Link Dir-600 Firmware2.15ww

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

https://github.com/LonTan0/CVE/blob/main/Stack-Based%20Buffer%20Overflow%20Vulnerability%20in%20hedwig.cgi%20of%20D-Link%20DIR-600.mdExploitThird Party Advisory
https://github.com/LonTan0/CVE/blob/main/Stack-Based%20Buffer%20Overflow%20Vulnerability%20in%20hedwig.cgi%20of%20D-Link%20DIR-600.md#pocExploitThird Party Advisory
https://vuldb.com/?ctiid.338581Permissions RequiredVDB Entry
https://vuldb.com/?id.338581Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.724404Third Party AdvisoryVDB Entry
https://www.dlink.com/Product

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2025-15194 being actively exploited?

CVE-2025-15194 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.18%.

How severe is CVE-2025-15194?

CVE-2025-15194 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.18% probability of exploitation.

Which products are affected by CVE-2025-15194?

Affected products include D-Link Dir-600 Firmware.

How do I fix CVE-2025-15194?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-15194 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.