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    CVE-2026-84696

    Phison PS3111-S11 controller firmware versions through SBFQT1.3 expose privileged vendor unique commands over the ATA interface with absent or defeatable authentication mechanisms. Attackers can bypass the weak CRC-16 based unlock handshake or exploit builds with no VUC lock to read and write controller memory and raw flash, persisting implants across power cycles.

    Published:Sep 2, 2026
    Last Modified:Sep 3, 2026
    EPS:Sep 2, 2026
    EPSS Score:0.00149
    CVSS Score:8.2

    Affected Products

    Vendor
    Phison Electronics Corporation
    Product
    Ps3111-s11 Controller 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