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    CVE-2026-0647

    An improper authentication security issue exists within the 1794-AENTR adapter's embedded web server. The vulnerability allows an unauthenticated attacker to change the device's web interface password by sending a crafted HTTP GET request to a specific endpoint, without any prior authentication being required. If exploited, this could lead to unauthorized access, account takeover, and loss of the device’s embedded web server’s availability.

    Published:Jun 16, 2026
    Last Modified:Jun 26, 2026
    EPS:Jun 16, 2026
    EPSS Score:0.00435
    CVSS Score:8.8

    Affected Products

    Vendor
    Rockwellautomation
    Product
    Flex I/o Ethernet/ip Adapter

    Exploits

    No exploit reference

    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