D-Link DIR-878 WAN Settings SetWan3Settings stack-based overflow
Published Sep 14, 2026 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
D-Link DIR-878 WAN Settings SetWan3Settings stack-based overflow
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A flaw has been found in D-Link DIR-878 120B05. This impacts the function SetWan3Settings of the component WAN Settings. This manipulation of the argument Primary/Secondary causes stack-based buffer overflow. Remote exploitation of the attack is possible.
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-403226 | D-Link DIR-878 WAN Settings SetWan3Settings stack-based overflow ↗
- VDB-403226 | CTI Indicators (IOB, IOC, IOA) ↗
- CVE-2026-90693 | CVE Analysis and Report ↗
- Submit #915573 | D-Link Router FW120B05_decode Memory Corruption ↗
- Source repository ↗
- www.dlink.com ↗
Record history
Published Sep 14, 2026 · Last refreshed Nov 3, 2026