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    CVE-2026-0646

    A denial-of-service security issue exists within the 1794-AENTR adapter due to improper memory handling of CIP protocol requests. This vulnerability can result in the adapter faulting and losing connection to its associated I/O modules, requiring a manual reset to recover.

    Published:Jun 16, 2026
    Last Modified:Jun 26, 2026
    EPS:Jun 16, 2026
    EPSS Score:0.00343
    CVSS Score:8.7

    Affected Products

    Vendor
    Rockwellautomation
    Product
    Flex I/o Ethernet/ip Adapter

    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