← Back to CVEs

CVE-2026-3976

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/12/2026

Last Modified4/2/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:w3tenda:w3_firmware

Weaknesses (CWE)

CWE-119CWE-121CWE-787

References

https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterSet-go-buffer-overflow(cna@vuldb.com)

https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterSet-index-buffer-overflow(cna@vuldb.com)

https://vuldb.com/?ctiid.350411(cna@vuldb.com)

https://vuldb.com/?id.350411(cna@vuldb.com)

https://vuldb.com/?submit.769179(cna@vuldb.com)

https://vuldb.com/?submit.769180(cna@vuldb.com)

https://www.tenda.com.cn/(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.