Efficient Networks

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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.

    Last Modified: Apr 16, 2026
    Published: Dec 31, 2003
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