CVE-2025-5623

Public Exploit
D-Link DIR-816 qosClassifier stack-based overflow

Description

A vulnerability was found in D-Link DIR-816 1.10CNB05. It has been classified as critical. This affects the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address 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.

Categories

9.3
CVSS
Severity: Critical
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Third-Party Advisory vuldb.com Third-Party Advisory github.com Third-Party Advisory vuldb.com
Affected: D-Link DIR-816
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.311109 vdb entry technical description third party advisory
https://vuldb.com/?ctiid.311109 permissions required signature
https://vuldb.com/?submit.589224 vdb entry third party advisory
https://github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_51/51.md exploit third party advisory
https://www.dlink.com/ product

Frequently Asked Questions

What is the severity of CVE-2025-5623?
CVE-2025-5623 has been scored as a critical severity vulnerability.
How to fix CVE-2025-5623?
To fix CVE-2025-5623, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-5623 being actively exploited in the wild?
It is possible that CVE-2025-5623 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-5623?
CVE-2025-5623 affects D-Link DIR-816.
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