CVE-2026-3803 HIGH

CVE-2026-3803: Tenda i3 WifiMacFilterGet formWifiMacFilterGet stack-based overflow

Vendor Tenda
Product i3
Weakness CWE-121
Published March 9, 2026
Last update March 10, 2026
View on NVD All CVEs

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 vulnerability was identified in Tenda i3 1.0.0.6(2204). This affects the function formWifiMacFilterGet of the file /goform/WifiMacFilterGet. The manipulation of the argument index leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

Key dates

02Disclosure timeline

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