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    CVE-2026-21660

    A Hardcoded Email Credentials Saved as Plaintext in Firmware (CWE-256: Plaintext Storage of a Password) vulnerability in Frick Controls Quantum HD version 10.22 and prior lead to unauthorized access, exposure of sensitive information, and potential misuse or system compromise This issue affects Frick Controls Quantum HD version 10.22 and prior.

    Published:Feb 27, 2026
    Last Modified:Aug 24, 2026
    EPS:Feb 27, 2026
    EPSS Score:0.0023
    CVSS Score:9.8

    Affected Products

    Vendor
    Johnsoncontrols
    Product
    Frick Controls Quantum Hd
    Vendor
    Johnsoncontrols
    Product
    Frick Controls Quantum Hd Firmware

    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