D-Link DSL-6641K sp_pppoe_user.js doSubmitPPP cross site scripting
Published Feb 2, 2026 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
D-Link DSL-6641K sp_pppoe_user.js doSubmitPPP cross site scripting
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability was found in D-Link DSL-6641K N8.TR069.20131126. Affected by this issue is the function doSubmitPPP of the file sp_pppoe_user.js. The manipulation of the argument Username results in cross site scripting. The attack may be launched remotely. The exploit has been made public and could 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
- LOW
- 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-343675 | D-Link DSL-6641K sp_pppoe_user.js doSubmitPPP cross site scripting ↗
- VDB-343675 | CTI Indicators (IOB, IOC, TTP, IOA) ↗
- Submit #742439 | D-Link DSL6641K version N8.TR069.20131126 Cross Site Scripting ↗
- tzh00203.notion.site ↗
- www.dlink.com ↗
Record history
Published Feb 2, 2026 · Last refreshed Nov 3, 2026