AKUVOX NETWORKS R50P VoIP phone file uploading

AKUVOX NETWORKS R50P VoIP phone is an IP phone from AKUVOX NETWORKS, China. A file upload vulnerability exists in the ringtone upload feature in AKUVOX NETWORKS R50P VoIP phone version 50.0.6.156, which can be exploited to upload script files due to a lack of file and path validation...