CVE-2026-3976

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119 CWE-121 CWE-787

Affected software

Vendor	Product	Versions
Tenda	W3	1.0.0.3(2204)

References

https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterSet-go-buffer-overflowExploit, Third Party Advisory
https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterSet-index-buffer-overflowExploit, Third Party Advisory
https://vuldb.com/?ctiid.350411Permissions Required, VDB Entry
https://vuldb.com/?id.350411Third Party Advisory, VDB Entry
https://vuldb.com/?submit.769179Third Party Advisory, VDB Entry
https://vuldb.com/?submit.769180Third Party Advisory, VDB Entry
https://www.tenda.com.cn/Product

Timeline

Published: Mar 12, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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