Tomofun Furbo 360/Furbo Mini MQTT Client Certificate furbo_img hard-coded credentials

A security flaw has been discovered in Tomofun Furbo 360 and Furbo Mini. Affected by this vulnerability is an unknown functionality of the file /squashfs-root/furbo_img of the component MQTT Client Certificate. Performing manipulation results in hard-coded credentials. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitation appears to be difficult. The firmware versions determined to be affected are Furbo 360 up to FB0035_FW_036 and Furbo Mini up to MC0020_FW_074. The vendor was contacted early about this disclosure but did not respond in any way.