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CRITICAL

CVE-2025-5624

D-Link DIR-816 QoSPortSetup stack-based overflow

CVSS v3

9.8

CRITICAL

EPSS Score

2.5 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

poc

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2025-5624 yet.

Full record on NVD

Description

A vulnerability was found in D-Link DIR-816 1.10CNB05. It has been declared as critical. This vulnerability affects the function QoSPortSetup of the file /goform/QoSPortSetup. The manipulation of the argument port0_group/port0_remarker/ssid0_group/ssid0_remarker leads to stack-based buffer overflow. The attack can be initiated 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.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2025-06-05
Last Modified
2025-06-06

Frequently asked questions

What is CVE-2025-5624?

A vulnerability was found in D-Link DIR-816 1.10CNB05. It has been declared as critical. This vulnerability affects the function QoSPortSetup of the file /goform/QoSPortSetup. The manipulation of the argument port0_group/port0_remarker/ssid0_group/ssid0_remarker leads to stack-based buffer overflow. The attack can be initiated 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.

Is CVE-2025-5624 actively exploited?

A proof-of-concept exploit exists for CVE-2025-5624, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-5624?

CVE-2025-5624 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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