Block Port Functionality
Is there any way to add a feature to block specific ports at the firewall across all devices? There is nothing that tells me what “Add a firewall rule”’under “Reservations & Port Forwarding” does.
I ask the question in light of the Cable Haunt vulnerability (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19494; https://nvd.nist.gov/vuln/detail/CVE-2019-19494).
When I called customer support yesterday, the representative said that there is no way to block ports.
Until ISPs push out the modem patch, users need to block port 8080 traffic at the router firewall.
I refer to Steve Gibson’s Security Now podcast episode #749 for January 14, 2020 (episode homepage -https://twit.tv/shows/security-now/episodes/749?autostart=false; show notes - https://www.grc.com/sn/sn-749-notes.pdf) Steve talks about blocking port 8080 on the router firewall as a mitigation until the modem is patched.
I also called Leo Laporte on The Tech Guy show about the ability of sophisticated users being unable to managed details of the Eero routers (https://techguylabs.com/episodes/1658/my-new-router-safe-online; https://techguylabs.com/episodes/1661/has-my-cable-router-been-hacked)