CVE-2017-9478

Published July 31st, 2017

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CVSS v3

N/A

CVSS v2

MEDIUM

Affected

PROJECT

Description

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST) and DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices sets the CM MAC address to a value with a two-byte offset from the MTA/VoIP MAC address, which indirectly allows remote attackers to discover hidden Home Security Wi-Fi networks by leveraging the embedding of the MTA/VoIP MAC address into the DNS hostname.

BastilleResearch/CableTap

CableTap public disclosure documents.

GitHub