CVE-2026-4043: Tenda i12 Firmware

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

A security vulnerability has been detected in Tenda i12 1.0.0.6(2204). The impacted element is the function formwrlSSIDget of the file /goform/wifiSSIDget. Such manipulation of the argument index leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

Affected products

• Tenda i12 Firmware: version 1.0.0.6(2204) only

Published 2026-03-12. Last modified 2026-06-17.