A vulnerability, which was classified as critical , was found in Yi Technology YI Home Camera 2 2.1.1_20171024151200 . This affects an unknown function of the component WPA/WPS . Executing a manipulation can lead to use of hard-coded cryptographic key . This vulnerability is handled as CVE-2026-4477 . The attack can only be done within the local network. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.