CVE-2026-3974

HIGH

Tenda W3 1.0.0.3(2204) - Buffer Overflow

Title source: llm
STIX 2.1

Description

A vulnerability was identified in Tenda W3 1.0.0.3(2204). This vulnerability affects the function formexeCommand of the file /goform/exeCommand of the component HTTP Handler. Such manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used.

Scores

CVSS v3 8.8
EPSS 0.0009
EPSS Percentile 25.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

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