CVE-2025-6158

D-Link Dir-655 Firmware buffer overflow

8.8 HIGHPublic exploitEPSS 1.18%

Published17 Jun 2025

Description

A vulnerability classified as critical has been found in D-Link DIR-665 1.00. This affects the function sub_AC78 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

D-Link Dir-655 Firmware1.00

Remediation

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

References

https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir665-dlinkExploitThird Party Advisory
https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir665-dlink#pocExploitThird Party Advisory
https://vuldb.com/?ctiid.312633Permissions RequiredVDB Entry
https://vuldb.com/?id.312633Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.593161Third Party AdvisoryVDB Entry
https://www.dlink.com/Product

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2025-6158 being actively exploited?

CVE-2025-6158 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-2025-6158?

CVE-2025-6158 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 1.18% probability of exploitation.

Which products are affected by CVE-2025-6158?

Affected products include D-Link Dir-655 Firmware.

How do I fix CVE-2025-6158?

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-2025-6158 against the real software inventory on every managed device, as each hourly inventory arrives. 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.

See how prioritisation works Book a demo

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