SGAI Space1 NAS N1211DS gsaiagent JSONAPI GET_USER_INFO credentials storage

A vulnerability was found in SGAI Space1 NAS N1211DS up to 1.0.915. This issue affects the function GET_FACTORY_INFO/GET_USER_INFO of the file /cgi-bin/JSONAPI of the component gsaiagent. The manipulation results in unprotected storage of credentials. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.