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 the CM MAC address by connecting to the device's xfinitywifi hotspot.
Metrics
CVSS 3.0 6.5/10
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-19.wifi-dhcp-cm-mac-leak.txtExploit, Mitigation, Third Party Advisory
- https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-19.wifi-dhcp-cm-mac-leak.txtExploit, Mitigation, Third Party Advisory
Timeline
- Published
- Jul 31, 2017
- Last modified
- Jun 17, 2026
- NVD status
- Modified