D-Link DI-7100G C1 jhttpd hi_block.asp sub_4BD4F8 buffer overflow
Published Oct 6, 2025 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
D-Link DI-7100G C1 jhttpd hi_block.asp sub_4BD4F8 buffer overflow
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability has been found in D-Link DI-7100G C1 up to 20250928. This issue affects the function sub_4BD4F8 of the file /webchat/hi_block.asp of the component jhttpd. The manipulation of the argument popupId leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may 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
- 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-327222 | D-Link DI-7100G C1 jhttpd hi_block.asp sub_4BD4F8 buffer overflow ↗
- VDB-327222 | CTI Indicators (IOB, IOC, IOA) ↗
- Submit #664635 | D-Link DI-7100G C1 Buffer Overflow ↗
- www.yuque.com ↗
- www.yuque.com ↗
- www.dlink.com ↗
Record history
Published Oct 6, 2025 · Last refreshed Nov 3, 2026