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    CVE-2026-1874

    Always-Incorrect Control Flow Implementation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP versions 1.106 and prior and Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service (DoS) condition on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery.

    Published:Mar 3, 2026
    Last Modified:May 4, 2026
    EPS:Mar 3, 2026
    EPSS Score:0.002
    CVSS Score:7.5

    Affected Products

    Vendor
    Mitsubishi Electric
    Product
    Melsec Iq-f Series Fx5-enet/ip Ethernet Module Fx5-enet/ip
    Vendor
    Mitsubishi Electric
    Product
    Melsec Iq-f Series Fx5-enet Ip
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-f Fx5-eip
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-f Fx5-eip Firmware
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-f Fx5-enet\/ip
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-f Fx5-enet\/ip Firmware

    Exploits

    No exploit reference

    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