TOTOLINK A3600R cstecgi.cgi setMacQos buffer overflow
Published Jul 29, 2024 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
TOTOLINK A3600R cstecgi.cgi setMacQos buffer overflow
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. It has been declared as critical. Affected by this vulnerability is the function setMacQos of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument priority/macAddress leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272599. NOTE: 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
- 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-272599 | TOTOLINK A3600R cstecgi.cgi setMacQos buffer overflow ↗
- VDB-272599 | CTI Indicators (IOB, IOC, IOA) ↗
- Submit #378045 | TOTOLINK A3600R V4.1.2cu.5182_B20201102 Buffer Overflow ↗
- Source repository ↗
Record history
Published Jul 29, 2024 · Last refreshed Nov 3, 2026