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    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.

    Published:Jul 31, 2017
    Last Modified:Apr 20, 2025
    EPS:Jul 31, 2017
    EPSS Score:0.00249
    CVSS Score:7.5

    Affected Products

    Vendor
    Cisco
    Product
    Dpc3939
    Vendor
    Cisco
    Product
    Dpc3939 Firmware

    Exploits

    https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-24.atom-ip-routing.txthttps://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-24.atom-ip-routing.txt

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2017-9476 (CVSS 6.5) — The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST); Cisco DPC…
    CVE-2017-9487 (CVSS 5.9) — The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) and DPC394…
    CVE-2017-9491 (CVSS 5.3) — The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST); Cisco DPC…
    CVE-2017-9477 (CVSS 6.5) — The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST) and DPC393…
    CVE-2017-9479 (CVSS 9.8) — The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices al…
    CVE-2017-9482 (CVSS 9.8) — The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices al…
    CVE-2017-9483 (CVSS 9.8) — The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices al…
    CVE-2017-9484 (CVSS 7.5) — The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST) and DPC393…
    CVE-2017-9485 (CVSS 7.5) — The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices al…
    CVE-2017-9486 (CVSS 7.5) — The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices al…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High