TOTOLINK A702R formFilter sub_4162DC buffer overflow
Published Sep 1, 2025 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
TOTOLINK A702R formFilter sub_4162DC buffer overflow
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability was detected in TOTOLINK A702R 4.0.0-B20211108.1423. Affected by this vulnerability is the function sub_4162DC of the file /boafrm/formFilter. The manipulation of the argument ip6addr results in buffer overflow. It is possible to launch the attack remotely. The exploit is now 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-322081 | TOTOLINK A702R formFilter sub_4162DC buffer overflow ↗
- VDB-322081 | CTI Indicators (IOB, IOC, IOA) ↗
- Submit #640987 | TOTOLINK A720R V4.0.0-B20211108.1423 Buffer Overflow ↗
- Source repository ↗
- Source repository ↗
- www.totolink.net ↗
Record history
Published Sep 1, 2025 · Last refreshed Nov 3, 2026