Para quem tiver dificuldade em entrar nos routers SMC, deixo aqui os defaults dos vários modelos;

Smc 2804wr
User: (none) ------ Pass: smcadmin 
   
Smc 7204BRA
User: smc  ------ Pass: smcadmin 

Smc 7401BRA - 1
User: admin ------ Pass: barricade 

Smc 7401BRA - 2
User: smc ------ Pass: smcadmin 

Smc Barricade 7004 AWBR
User: admin ------ Pass: (none) 
   
Smc Barricade7204BRB
User: admin ------ Pass: smcadmin 

Smc Modem/Router
User: cusadmin ------ Pass: highspeed 
 
Smc Router - All
User: admin ------ Pass: admin 

Smc Router/Modem - BR7401
User: admin ------ Pass: barricade 

Smc SMB2804WBR - V2
User: Administrator ------ Pass: smcadmin 

Smc 7904BRA
User: (none) ------ Pass: smcadmin 

SMC Broadband Router
User: admin ------ Pass: admin 

SMC WBR14-G
User: (none) ------ Pass: smcadmin 

SMC2804WBR - v.1
User: (none) ------ Pass: smcadmin 

SMC7004VBR
User: n/a ------ Pass: smcadmin 

Smc7904wbrb
User: (none) ------ Pass: smcadmin 

SMC8013WG-CCR - 2.11.19-1d
User: mso ------ Pass: w0rkplac3rul3s 

SMCWBR14-G
User: n/a ------ Pass: smcadmin 

Smc WiFi Router - All
User: n/a ------ Pass: smcadmin