Petlibro Smart Pet Feeder through 1.7.31 Platform Improper Access Control via API endpoint

Petlibro Smart Pet Feeder Platform versions up to 1.7.31 contains an improper access control vulnerability that allows unauthorized device manipulation by accepting arbitrary serial numbers without ownership verification. Attackers can control any device by sending serial numbers to device control APIs to change feeding schedules, trigger manual feeds, access camera feeds, and modify device settings without authorization checks.