Welotec TK500 访问控制错误漏洞

The Welotec TK500 is an industrial-grade 4G LTE router from Welotec. The Welotec TK500 suffers from an access control error vulnerability that originates from the fact that an unauthenticated, remote attacker who knows the name of the MQTT topic can send and receive messages, including GET/SET...