CVE-2017-8867: Cognitoys Stemosaur Firmware

Medium severity, CVSS 5.9. EPSS: 0.8% chance of exploitation in the next 30 days.

Elemental Path's CogniToys Dino smart toys through firmware version 0.0.794 use AES-128 with ECB mode to encrypt voice traffic between the device and remote server, allowing a malicious user to map encrypted traffic to a particular AES key index and gaining further access to eavesdrop on privacy-sensitive voice communication of a child and their Dino device.

Affected products

• Cognitoys Stemosaur Firmware: up to and including 0.0.794

Published 2017-12-11. Last modified 2026-06-17.