CVE-2026-3975

HIGH

Tenda W3 1.0.0.3(2204) - Buffer Overflow

Title source: llm

Description

A security flaw has been discovered in Tenda W3 1.0.0.3(2204). This issue affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet of the component POST Parameter Handler. Performing a manipulation of the argument wl_radio results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

References (5)

[Third Party Advisory] https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-formWifiMacFilterGet-index-buffer-overflow

[Permissions Required, VDB Entry] https://vuldb.com/?ctiid.350410

[Permissions Required, VDB Entry] https://vuldb.com/?id.350410

[Permissions Required, VDB Entry] https://vuldb.com/?submit.769178

[Various Sources] https://www.tenda.com.cn/

Scores

CVSS v3 8.8

EPSS 0.0009

EPSS Percentile 25.8%

Attack Vector NETWORK

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

Details

CWE

CWE-119 CWE-121 CWE-787

Status published

Products (2)

Tenda/W3 1.0.0.3(2204)

tenda/w3_firmware 1.0.0.3\(2204\)

Published Mar 12, 2026

Tracked Since Mar 12, 2026