# Query and set the status of the Telnet service
curl -X POST -d '{"topicurl":"setting/getTelnetCfg"}' "http://ip/cgi-bin/cstecgi.cgi" # Check the Telnet service status, 0 means off, 1 means on.
curl -X POST -d '{"topicurl":"setting/setTelnetCfg","telnet_enabled":"0"}' "http://ip/cgi-bin/cstecgi.cgi" # Disable Telnet service
curl -X POST -d '{"topicurl":"setting/setTelnetCfg","telnet_enabled":"1"}' "http://ip/cgi-bin/cstecgi.cgi" # Enable Telnet service