Critical Vulnerability in Nixdorf Wincor PORT IO Driver A new vulnerability, identified as CVE-2025-5555, has surfaced in the Nixdorf Wincor PORT IO Driver. This flaw, which affects versions up to 1.0.0.1, introduces a stack-based buffer overflow risk. This vulnerability affects the IOCTL handler, specifically the function sub_11100 in the library wnport.sys. Attackers can leverage this […]
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