CVE-2026-3799: Tenda i3 Firmware

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

A flaw has been found in Tenda i3 1.0.0.6(2204). This impacts the function formSetCfm of the file /goform/setcfm. This manipulation of the argument funcpara1 causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Affected products

• Tenda i3 Firmware: version 1.0.0.6(2204) only

Published 2026-03-09. Last modified 2026-06-17.