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7.4

Tenda i3 Firmware 1.0.0.6(2204) Wi-Fi Settings Overflow

CVE-2026-3804
Summary

A vulnerability in Tenda i3's Wi-Fi settings could allow an attacker to take control of the device remotely. This could happen if a malicious user sends a specially crafted request to the device. Users should update the firmware to the latest version to fix this issue.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software
VendorProductAffected versionsFix available
tenda i3_firmware 1.0.0.6\(2204\) –
Original title
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 in...
Original description
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.
nvd CVSS2.0 9.0
nvd CVSS3.1 8.8
nvd CVSS4.0 7.4
Vulnerability type
CWE-119 Buffer Overflow
CWE-121 Stack-based Buffer Overflow
Published: 9 Mar 2026 · Updated: 13 Mar 2026 · First seen: 9 Mar 2026