CVE-2023-1383 (published 2023-05-03T11:42:10.455Z)
An Improper Enforcement of Behavioral Workflow vulnerability in the exchangeDeviceServices function on the amzn.dmgr service allowed an attacker to register services that are only locally accessible.

This issue affects:

Amazon Fire TV Stick 3rd gen versions prior to 6.2.9.5. 
Insignia TV with FireOS versions prior to 7.6.3.3.
Affected products: Vendor: AmazonFire TV Stick 3rd gen
Product: Fire TV Stick 3rd gen
Versions: 6.2.9.4