An issue was discovered on KuWFi GC111 GC111-GL-LM321_V3.0_20191211 devices. The TELNET service is enabled by default and exposed over the WAN interface without authentication.
https://github.com/actuator/cve/tree/main/kuwfi
https://github.com/actuator/cve/blob/main/Kuwfi/CVE-2025-43986.txt