CVE-2017-9487

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.

CVSS v3.0

5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N

EPSS

1.17% chance of exploitation in the next 30 days, 65th percentile

Published

2017-07-31

Updated

2024-08-05

Proof-of-concept exploits (1)

• BastilleResearch/CableTap/blob/master/doc/advisories/bastille-30.wan0-ipv6-cm-mac.txt

References

• CVE Record
• NVD entry

Related

• CVE-2017-9476
• CVE-2017-9477
• CVE-2017-9478
• CVE-2017-9479
• CVE-2017-9480
• CVE-2017-9481