Tenda AC8 HTTP Endpoint SysToolChangePwd doSystemCmd stack-based overflow
Published Mar 16, 2026 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
Tenda AC8 HTTP Endpoint SysToolChangePwd doSystemCmd stack-based overflow
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToolChangePwd of the component HTTP Endpoint. This manipulation of the argument local_2c causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
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
- 20%
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- VDB-351212 | Tenda AC8 HTTP Endpoint SysToolChangePwd doSystemCmd stack-based overflow ↗
- VDB-351212 | CTI Indicators (IOB, IOC, IOA) ↗
- Submit #771773 | Tenda AC8 V5 V16.03.50.11 Buffer Overflow ↗
- Source repository ↗
- www.tenda.com.cn ↗
Record history
Published Mar 16, 2026 · Last refreshed Oct 23, 2026