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    2 vulnerabilities by Nixdorf Wincor

    CVE-2025-5555 (GCVE-0-2025-5555)

    Vulnerability from nvd – Published: 2025-10-18 08:02 – Updated: 2025-10-20 17:35
    VLAI
    Title
    Nixdorf Wincor PORT IO Driver IOCTL wnport.sys sub_11100 stack-based overflow
    Summary
    A vulnerability has been found in Nixdorf Wincor PORT IO Driver up to 1.0.0.1. This affects the function sub_11100 in the library wnport.sys of the component IOCTL Handler. Such manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. Upgrading to version 3.0.0.1 is able to mitigate this issue. Upgrading the affected component is recommended. The vendor was contacted beforehand and was able to provide a patch very early.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    URL Tags
    https://vuldb.com/?id.329013 vdb-entrytechnical-description
    https://vuldb.com/?ctiid.329013 signaturepermissions-required
    https://vuldb.com/?submit.604823 third-party-advisory
    https://b.iakb.org/2025/06/26/Wincor-Nixdorf-PORT… broken-linkexploit
    https://download.dieboldnixdorf.com/ patch
    Impacted products
    Vendor Product Version
    Nixdorf Wincor PORT IO Driver Affected: 1.0.0.0
    Affected: 1.0.0.1
    Unaffected: 3.0.0.1
    Create a notification for this product.
    Credits
    rickqwq (VulDB User)
    Show details on NVD website

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            },
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    CVE-2025-5555 (GCVE-0-2025-5555)

    Vulnerability from cvelistv5 – Published: 2025-10-18 08:02 – Updated: 2025-10-20 17:35
    VLAI
    Title
    Nixdorf Wincor PORT IO Driver IOCTL wnport.sys sub_11100 stack-based overflow
    Summary
    A vulnerability has been found in Nixdorf Wincor PORT IO Driver up to 1.0.0.1. This affects the function sub_11100 in the library wnport.sys of the component IOCTL Handler. Such manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. Upgrading to version 3.0.0.1 is able to mitigate this issue. Upgrading the affected component is recommended. The vendor was contacted beforehand and was able to provide a patch very early.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    URL Tags
    https://vuldb.com/?id.329013 vdb-entrytechnical-description
    https://vuldb.com/?ctiid.329013 signaturepermissions-required
    https://vuldb.com/?submit.604823 third-party-advisory
    https://b.iakb.org/2025/06/26/Wincor-Nixdorf-PORT… broken-linkexploit
    https://download.dieboldnixdorf.com/ patch
    Impacted products
    Vendor Product Version
    Nixdorf Wincor PORT IO Driver Affected: 1.0.0.0
    Affected: 1.0.0.1
    Unaffected: 3.0.0.1
    Create a notification for this product.
    Credits
    rickqwq (VulDB User)
    Show details on NVD website

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