High severity8.8NVD Advisory· Published Feb 22, 2026· Updated Jun 17, 2026
CVE-2026-2909
CVE-2026-2909
Description
A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- cpe:2.3:o:tenda:hg9_firmware:300001138:*:*:*:*:*:*:*
- Range: 300001138
Patches
Vulnerability mechanics
References
5- github.com/QIU-DIE/cve-nneeww/issues/11nvdExploitIssue TrackingMitigationThird Party Advisory
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdThird Party AdvisoryVDB Entry
- vuldb.comnvdPermissions RequiredVDB Entry
- www.tenda.com.cnnvdProduct
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