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    CVE-2003-1250

    Efficient Networks 5861 DSL router, when running firmware 5.3.80 configured to block incoming TCP SYN, packets allows remote attackers to cause a denial of service (crash) via a flood of TCP SYN packets to the WAN interface using a port scanner such as nmap.

    Published:Dec 31, 2003
    Last Modified:Apr 16, 2026
    EPS:Nov 16, 2005
    EPSS Score:0.01271
    CVSS Score:5

    Affected Products

    Vendor
    Efficient Networks
    Product
    5861 Dsl Router

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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