Vulnerability Description
A weakness has been identified in Tenda W3 1.0.0.3(2204). Impacted is the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet of the component POST Parameter Handler. Executing a manipulation of the argument index/GO can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tenda | W3 Firmware | 1.0.0.3\(2204\) |
| Tenda | W3 | - |
Related Weaknesses (CWE)
References
- https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterSet-go-ExploitThird Party Advisory
- https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterSet-indExploitThird Party Advisory
- https://vuldb.com/?ctiid.350411Permissions RequiredVDB Entry
- https://vuldb.com/?id.350411Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.769179Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.769180Third Party AdvisoryVDB Entry
- https://www.tenda.com.cn/Product
FAQ
What is CVE-2026-3976?
CVE-2026-3976 is a vulnerability with a CVSS score of 8.8 (HIGH). A weakness has been identified in Tenda W3 1.0.0.3(2204). Impacted is the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet of the component POST Parameter Handler. Executing a manipu...
How severe is CVE-2026-3976?
CVE-2026-3976 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3976?
Check the references section above for vendor advisories and patch information. Affected products include: Tenda W3 Firmware, Tenda W3.