Cable Haunt: Exploiting DOCSIS Modems

Cable Haunt is the fancy name given for a vulnerability recently disclosed by a group of researchers at Lyrebirds in Denmark exploiting DOCSIS modems. Cable Haunt affects cable modems using the Broadcom chipset specifically having the built-in spectrum analyzer many of us in the industry are quite fond of. Typically the forward path spectrum analyzer or Full Band Capture (FBC) analyzer in the Broadcom chipset is used by the industry for proactive network maintenance (PNM) applications to identify a number of downstream impairments in the home without ever requiring the technician to enter the home, because we can access the modems spectrum analyzer remotely. For the exploit code shown in the video, see the blog post here: https://volpefirm.com/cable-haunt-exploiting-docsis-modems/

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