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CVE-2021-31756

Description

An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /gofrom/setwanType allows attackers to execute arbitrary code on the system via a crafted post request. This occurs when input vector controlled by malicious attack get copied to the stack variable.

POC

Reference

- https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_1

Github

- https://github.com/20142995/nuclei-templates

- https://github.com/Yu3H0/IoT_CVE

- https://github.com/cyb3r-w0lf/nuclei-template-collection