Security Advisory

CVE-2017-9478

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2017-07-31 03:00:00

Last updated 2024-08-05 17:11:01

Assigner mitre

CVSS score not scored

State PUBLISHED

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.

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