CVE-2025-5623 CRITICAL

CVE-2025-5623: D-Link DIR-816 qosClassifier stack-based overflow

Vendor D-Link
Product DIR-816
Weakness CWE-121
Published June 5, 2025
Last update June 5, 2025
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 5, 2025 CVE published
June 5, 2025 Record updated