Can a hacker infect a modem just by knowing the ISP’s IP address? [closed]

I’d like to know if a hacker can hack or infect devices if they already know the IP address. I suppose they could send malware to your house, thus infecting my modem.
If so, how can I protect myself? I plan to use a GL Flint AX1800 modem w… Continue reading Can a hacker infect a modem just by knowing the ISP’s IP address? [closed]