CVE-2017-9481

The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices allows remote attackers to obtain unintended access to the Network Processor (NP) 169.254/16 IP network by adding a routing-table entry that specifies the LAN IP address as the router for that network.

CVSS v3.0

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

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/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-24.atom-ip-routing.txt

References

• CVE Record
• NVD entry

Related

• CVE-2017-9476
• CVE-2017-9477
• CVE-2017-9478
• CVE-2017-9479
• CVE-2017-9480
• CVE-2017-9482