Unintended Access to Network Processor (NP) via Comcast Firmware on Cisco DPC3939 Devices

CVE-2017-9481 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:P/A:N

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.

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