Edimax BR-6478AC POST Request formPPPoESetup stack-based overflow
Published May 30, 2026 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
Edimax BR-6478AC POST Request formPPPoESetup stack-based overflow
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability was identified in Edimax BR-6478AC 1.23. Affected by this vulnerability is the function formPPPoESetup of the file /goform/formPPPoESetup of the component POST Request Handler. The manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.
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
- 10%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- VDB-367302 | Edimax BR-6478AC POST Request formPPPoESetup stack-based overflow ↗
- VDB-367302 | CTI Indicators (IOB, IOC, IOA) ↗
- Submit #818453 | Edimax BR6478ACV2 BR6478ACV2_v1.23 Buffer Overflow ↗
- lavender-bicycle-a5a.notion.site ↗
Record history
Published May 30, 2026 · Last refreshed Oct 23, 2026