The device has a webserver that exposes a REST API authenticated with a constant token. The unauthenticated API can be used by an attacker to get access to system settings, modify the configuration and execute some commands (e.g. system reboot).
Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:LI:HA:L8.6/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:LOther