Vulnerability Database

290,301

Total vulnerabilities in the database

CVE-2017-9478

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.

  • Published: Jul 31, 2017
  • Updated: Apr 13, 2023
  • CVE: CVE-2017-9478
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:P/I:N/A:N

CWEs:

Software From Fixed in
cisco / dpc3939_firmware dpc3939-p20-18-v303r20421746-170221a-cmcst dpc3939-p20-18-v303r20421746-170221a-cmcst.x
cisco / dpc3939_firmware dpc3939-p20-18-v303r20421733-160420a-cmcst dpc3939-p20-18-v303r20421733-160420a-cmcst.x