Welcome to the Community!
I've managed to locate your account using your Community details. Based on the information you've provided above, your equipment already has the latest firmware.
If you wont mind us asking, what's your purpose in trying to log in to the modem's interface so we can assist you? The default log in details are normally on the sticker at the back of the modem.
Should you require any assistance, please don't hesitate to let us know.
Note: We have edited your post since it contains your account information
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