Question about Comtrend CT 300 (CT-300) Modem

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Ip router and login name / password

I don't know the ip address for this router Comtrend CT 300. is it > 192.168.1.1 ??

If that is the router IP. Can i have the user name and password because I need to change something so I can use port forward. Thanks.

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  • jay81XX Mar 02, 2008

    I found the router ip. and have try the user name and password many times. And the webpage tell me this. What should I do or may be router IP i found were not the correct one ??? Or the user name and password is different ? I live in Macau. Will that be the problem ??



    Web Server Error Report:



    Server Error: 401 N/AOperating System Error Nr:3997698: HTM



    Access denied




    /userRpm/index.htm


    please mail problems to support

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Yea but that backdoor got hack so wtf do i do when : user name root psw RM6008 dont working. ?

and wft a Backdoor on a router Who`s so stupid to make that

Posted on Jul 29, 2009

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I have the same problem too. i cant acces the 192.168.1.1 eventhough it is the defualt gateway written on the ipconfig..someone help us please..

Posted on Feb 06, 2012

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I don't know user name and password for this router Comtrend CT-5611 root and RM60008not work
can you help me?
thanks

Posted on Aug 13, 2010

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Hi ive got a TP router and it use to conet to the internet no its isn't this error code NR3997698 is comin up my laptop works in my house but it dosen't work in my mums any suggestions.

Posted on Feb 18, 2009

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Go to run in the start menu. Type "cmd". In the black screen type "ipconfig". The default gateway is the address of your Comtrend router. The default username is: root. The default password is: RM60008

Posted on Mar 01, 2008

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Posted on Jan 02, 2017

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Hi,

If your Comtrend CT-5621 came with the package from your ISP then it is possible that the username and password has been changed by your provider and you would have to get in touch with them.

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Some ISPs disabled/blocked the web based configuration interface and the initial way to communicate with it is a telnet session to the router.

Would you know if your default IP address of 10.0.0.1?

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