Show pagesourceBack to top Share via Share via... Twitter LinkedIn Telegram Yammer RedditRecent ChangesSend via e-MailPrintPermalink × Table of Contents Modems Puma bug Further information: Cable Haunt Further information: Mitigation further information Deutsch Cable network It's Internet over DOCSIS (TV cable). Modems There are several modems you can use for DOCSIS, some of them mentioned here. Technicolor TC4400 – DOCSIS 3.1 Puma bug The Intel Puma 5/6/7 chipsets are vulnerable to the so-called "Puma bug". Do not buy these. Further information: Badmodems.com Intel Puma 6 Modem List Chipset Defects Intel Pumageddon: Broadband chip bug haunts Chipzilla's past, present and future (The Register, 2017) Cable Haunt The cable haunt vulnerability (CVE-2019-19494 is an exploit where an attacker sends malicious packets to your modem which can change settings. Further information: Mitigate the vulnerability with OPNsense (Homenetworkguy, 2/2020) Cable Haunt: Schwachstelle macht Millionen Router angreifbar 🇩🇪 (Computerbase, 2020) Mitigation Technicolor TC4400: Block 192.168.100.1:8080/tcp from LAN. You may want to put the TC4400 in its own VLAN. further information Deutsch Geizhals – Kabel-Router mit WLAN Elektronik-Kompendium: Kabelnetz-Architektur Internet-Zugang über Kabelanschluss Kabelmodemtechnik Last modified: 2020-10-16 07:07