Remote Access Vulnerability in Cisco DPC3939 Firmware
CVE-2017-9478

7.5HIGH

Key Information:

Vendor
Cisco
Status
Dpc3939 Firmware
Vendor
CVE Published:
31 July 2017

Summary

The firmware of Cisco DPC3939 devices misconfigures the CM MAC address with a two-byte offset from the MTA/VoIP MAC address. This flaw can be exploited by remote attackers to reveal hidden Home Security Wi-Fi networks through the manipulation of the DNS hostname that includes the MTA/VoIP MAC address, posing a risk to network security and privacy for users.

References

https://github.com/BastilleResearch/CableTap/blob/master/...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.