D-Link DIR-816 qosClassifier stack-based overflow
Published Jun 5, 2025 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
D-Link DIR-816 qosClassifier stack-based overflow
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- MEDIUM
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- VDB-311109 | D-Link DIR-816 qosClassifier stack-based overflow ↗
- VDB-311109 | CTI Indicators (IOB, IOC, IOA) ↗
- Submit #589224 | D-Link DIR816 1.10CNB05 Stack-based Buffer Overflow ↗
- Source repository ↗
- www.dlink.com ↗
Record history
Published Jun 5, 2025 · Last refreshed Nov 3, 2026