E-Lins H685/H685f/H700/H720/H750/H820/H820Q/H820Q0/H900 OEM Backend hard-coded credentials

A vulnerability has been found in E-Lins H685, H685f, H700, H720, H750, H820, H820Q, H820Q0 and H900 up to 3.2 and classified as critical. This vulnerability affects unknown code of the component OEM Backend. The manipulation leads to hard-coded credentials. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to change the configuration settings. The vendor was contacted early about this disclosure but did not respond in any way.