SGAI Space1 NAS N1211DS gsaiagent JSONAPI NGNIX_UPLOAD command injection

A vulnerability was determined in SGAI Space1 NAS N1211DS up to 1.0.915. Impacted is the function RENAME_FILE/OPERATE_FILE/NGNIX_UPLOAD of the file /cgi-bin/JSONAPI of the component gsaiagent. This manipulation causes command injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.