CVE-2026-3804 HIGH

CVE-2026-3804: Tenda i3 WifiMacFilterSet formWifiMacFilterSet stack-based overflow

Vendor Tenda
Product i3
Weakness CWE-121
Published March 9, 2026
Last update March 10, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A security flaw has been discovered in Tenda i3 1.0.0.6(2204). This vulnerability affects the function formWifiMacFilterSet of the file /goform/WifiMacFilterSet. The manipulation of the argument index results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Key dates

02Disclosure timeline

March 9, 2026 CVE published
March 10, 2026 Record updated