CVEvulnerability

CVE-2017-9481

7.5 HIGH Published 2017-07-31 Modified 2026-06-17 Official page ↗

Status: Modified
Published: 2017-07-31
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.0 ([email protected]): 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected]): 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N

Description

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.

Affected configurations

• cisco dpc3939 firmware dpc3939-p20-18-v303r20421746-170221a-cmcst

References

https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-24.atom-ip-routing.txt Exploit, Third Party Advisory
https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-24.atom-ip-routing.txt Exploit, Third Party Advisory