Petlibro Smart Pet Feeder Platform through 1.7.31 Audio Information Disclosure via API endpoint

Petlibro Smart Pet Feeder Platform versions up to 1.7.31 contains an information disclosure vulnerability that allows unauthorized access to private audio recordings by exploiting sequential audio IDs and insecure assignment endpoints. Attackers can send requests to /device/deviceAudio/use with arbitrary audio IDs to assign recordings to any device, then retrieve audio URLs to access other users' private recordings.