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    CVE-2026-89207

    A vulnerability has been identified in WTV676-HB6035 Web Interface (All versions < V3.94), WTV776-HB6035 Web Interface (All versions < V4.17). Affected devices do not properly validate input received from backend services. This could allow an unauthenticated remote attacker to force the device into protection mode, which results in losing remote connectivity functions (Web Access).

    Published:Sep 16, 2026
    Last Modified:Sep 18, 2026
    EPS:Sep 16, 2026
    EPSS Score:0.00336
    CVSS Score:6.5

    Affected Products

    Vendor
    Siemens
    Product
    Wtv676-hb6035 Web Interface
    Vendor
    Siemens
    Product
    Wtv776-hb6035 Web Interface

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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