Tenda RX9/RX9 Pro SetVirtualServerCfg sub_42EA38 stack-based overflow
Published Oct 23, 2024 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
Tenda RX9/RX9 Pro SetVirtualServerCfg sub_42EA38 stack-based overflow
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A vulnerability classified as critical was found in Tenda RX9 and RX9 Pro 22.03.02.10/22.03.02.20. Affected by this vulnerability is the function sub_42EA38 of the file /goform/SetVirtualServerCfg. The manipulation of the argument list leads to stack-based buffer overflow. The attack can be launched 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-281557 | Tenda RX9/RX9 Pro SetVirtualServerCfg sub_42EA38 stack-based overflow ↗
- VDB-281557 | CTI Indicators (IOB, IOC, IOA) ↗
- Submit #427066 | Tenda RX9 Router RX9 Pro Firmware V22.03.02.10、RX9 Pro Firmware V22.03.02.20 Stack-based Buffer Overflow ↗
- gitee.com ↗
- www.tenda.com.cn ↗
Record history
Published Oct 23, 2024 · Last refreshed Nov 3, 2026