Tenda AC15 and AC18 routers V15.03.05.19 contain stack overflow vulnerabilities in the function setSmartPowerManagement with the request /goform/PowerSaveSet
https://github.com/CPSeek/Router-vuls/blob/main/Tenda/AC18/setSmartPowerManagement.md
https://github.com/CPSeek/Router-vuls/blob/main/Tenda/AC15/setSmartPowerManagement.md