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    CVE-2025-43873

    Successful exploitation of these vulnerabilities could allow an attacker to modify firmware and gain full access to the device.

    Published:Dec 17, 2025
    Last Modified:Apr 15, 2026
    EPS:Dec 17, 2025
    EPSS Score:0.0007
    CVSS Score:8.7

    Affected Products

    Vendor
    Johnsoncontrols
    Product
    Edge G2
    Vendor
    Johnsoncontrols
    Product
    Istar Edge G2
    Vendor
    Johnsoncontrols
    Product
    Istar Ultra
    Vendor
    Johnsoncontrols
    Product
    Istar Ultra G2
    Vendor
    Johnsoncontrols
    Product
    Istar Ultra G2 Se
    Vendor
    Johnsoncontrols
    Product
    Istar Ultra Se

    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