CVE-2026-3973

HIGH

Tenda W3 1.0.0.3(2204) - Buffer Overflow

Title source: llm

Description

A vulnerability was determined in Tenda W3 1.0.0.3(2204). This affects the function formSetAutoPing of the file /goform/setAutoPing of the component POST Parameter Handler. This manipulation of the argument ping1/ping2 causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

References (7)

[Third Party Advisory] https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setautoping-ping1-buffer-overflow

[Third Party Advisory] https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-w3-setautoping-ping2-buffer-overflow

[Permissions Required, VDB Entry] https://vuldb.com/?ctiid.350408

[Permissions Required, VDB Entry] https://vuldb.com/?id.350408

[Permissions Required, VDB Entry] https://vuldb.com/?submit.769173

[Permissions Required, VDB Entry] https://vuldb.com/?submit.769176

[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-121 CWE-119

Status published

Products (1)

Tenda/W3 < 1.0.0.3(2204)

Published Mar 12, 2026

Tracked Since Mar 12, 2026