Belkin F9K1122 webs formWanTcpipSetup stack-based overflow
Published Jul 6, 2025 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
Belkin F9K1122 webs formWanTcpipSetup stack-based overflow
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability was found in Belkin F9K1122 1.00.33 and classified as critical. This issue affects the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component webs. The manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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-315005 | Belkin F9K1122 webs formWanTcpipSetup stack-based overflow ↗
- VDB-315005 | CTI Indicators (IOB, IOC, IOA) ↗
- Submit #603698 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflow ↗
- Source repository ↗
- Source repository ↗
Record history
Published Jul 6, 2025 · Last refreshed Oct 23, 2026