Tenda AC10 version US_AC10V4.0si_V16.03.10.13_cn was discovered to contain a stack overflow via the shareSpeed parameter in the function fromSetWifiGuestBasic.
https://github.com/l3m0nade/IOTvul/blob/master/fromSetWifiGusetBasic.md
https://github.com/l3m0nade/IOTvul/blob/master/assets/fromSetWifiGuestBasic_code.png