CVE-2026-3972

HIGH

Tenda W3 1.0.0.3(2204) - Buffer Overflow

Title source: llm

Description

A vulnerability was found in Tenda W3 1.0.0.3(2204). Affected by this issue is the function formSetCfm of the file /goform/setcfm of the component HTTP Handler. The manipulation of the argument funcpara1 results in stack-based buffer overflow. The attack can only be performed from the local network. The exploit has been made public and could be used.

References (5)

[Third Party Advisory] https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setcfm-funcpara1-buffer-overflow

[Permissions Required, VDB Entry] https://vuldb.com/?ctiid.350407

[Permissions Required, VDB Entry] https://vuldb.com/?id.350407

[Permissions Required, VDB Entry] https://vuldb.com/?submit.769172

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

Scores

CVSS v3 8.8

EPSS 0.0003

EPSS Percentile 8.7%

Attack Vector ADJACENT_NETWORK

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

Details

CWE

CWE-121 CWE-119

Status published

Products (1)

Tenda/W3 < 1.0.0.3(2204)

Published Mar 12, 2026

Tracked Since Mar 12, 2026