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    CVE-2026-8065

    An authentication bypass vulnerability in the firmware update endpoint of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated attacker to upload arbitrary firmware through a crafted POST request. Successful exploitation could allow the attacker to modify device functionality or compromise the integrity or availability of the device.

    Published:Sep 29, 2026
    Last Modified:Sep 30, 2026
    EPS:Sep 29, 2026
    EPSS Score:0.00577
    CVSS Score:9.1

    Affected Products

    No affected product recorded yet

    Exploits

    https://github.com/MRdark-ops/CVE-2026-8065https://github.com/murrez/CVE-2026-8065

    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