CVE-2017-9484

7.5 HIGH

Published: July 31, 2017 Modified: May 13, 2026

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 allows remote attackers to discover a CM MAC address by sniffing Wi-Fi traffic and performing simple arithmetic calculations.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-27.ipv6-cm-mac-leak.txt

Source: cve@mitre.org

Exploit Third Party Advisory

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-27.ipv6-cm-mac-leak.txt

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

1.5%

71th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-200

Affected Vendors

cisco

Related CVEs

CVE-2026-12243 7.5

CVE-2026-8023 7.5

CVE-2026-7656 8.1

CVE-2026-51219 N/A

CVE-2026-51218 N/A