We use these services and cookies to improve your user experience. You may opt out if you wish, however, this may limit some features on this site.

Please see our statement on Data Privacy.

Crisp.chat (Helpdesk and Chat)

Ok

THREATINT
PUBLISHED

CVE-2025-5623

D-Link DIR-816 qosClassifier stack-based overflow



Description

EN DE

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.

Es wurde eine Schwachstelle in D-Link DIR-816 1.10CNB05 ausgemacht. Sie wurde als kritisch eingestuft. Betroffen hiervon ist die Funktion qosClassifier der Datei /goform/qosClassifier. Durch das Manipulieren des Arguments dip_address/sip_address mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-04 | Published 2025-06-05 | Updated 2025-06-05 | Assigner VulDB


CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CRITICAL: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10.0AV:N/AC:L/Au:N/C:C/I:C/A:C

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

1.10CNB05
affected

Timeline

2025-06-04:Advisory disclosed
2025-06-04:VulDB entry created
2025-06-04:VulDB entry last update

Credits

pjqwudi (VulDB User) reporter

References

vuldb.com/?id.311109 (VDB-311109 | D-Link DIR-816 qosClassifier stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.311109 (VDB-311109 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.589224 (Submit #589224 | D-Link DIR816 1.10CNB05 Stack-based Buffer Overflow) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/D-Link5/vuln_51/51.md exploit

www.dlink.com/ product

cve.org (CVE-2025-5623)

nvd.nist.gov (CVE-2025-5623)

Download JSON

Share this page
https://cve.threatint.eu/CVE/CVE-2025-5623

Support options

Helpdesk Chat, Email, Knowledgebase