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    CVE-2026-85114

    A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.61). Affected applications do not properly validate filenames received from remote servers during ticket downloads. This could allow an attacker who can manipulate the ticket response to write arbitrary files outside the intended download directory and, when overwriting is enabled, replace existing files accessible to the application.

    Published:Oct 13, 2026
    Last Modified:Oct 22, 2026
    EPS:Oct 13, 2026
    EPSS Score:0.00442
    CVSS Score:7.5

    Affected Products

    Vendor
    Siemens
    Product
    .net Client Library For Simatic S7 Webserver Api

    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