Description
The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC3941T (firmware version DPC3941_2.5s3_PROD_sey) devices allows remote attackers to discover a WAN IPv6 IP address by leveraging knowledge of the CM MAC address.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-30.wan0-ipv6-cm-mac.txt
Scores
CVSS v3
5.9
EPSS
0.0117
EPSS Percentile
63.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (2)
cisco/dpc3939_firmware
dpc3939-p20-18-v303r20421746-170221a-cmcst
cisco/dpc3941t_firmware
dpc3941_2.5s3_prod_sey
Published
Jul 31, 2017
Tracked Since
Feb 18, 2026