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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2017-07-31T03:00:00

Updated: 2024-08-05T17:11:01.672Z

Reserved: 2017-06-07T00:00:00

Link: CVE-2017-9478

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2017-07-31T03:29:00.300

Modified: 2017-08-03T11:36:06.297

Link: CVE-2017-9478

cve-icon Redhat

No data.