Format string vulnerability in HD Soft Windows FTP Server 1.6 and earlier allows remote attackers to execute arbitrary code via format string specifiers in the username, which is processed by the wscanf function.
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Format string vulnerability in HD Soft Windows FTP Server 1.6 and earlier allows remote attackers to execute arbitrary code via format string specifiers in the username, which is processed by the wscanf function.
February 17, 2004
April 16, 2026
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
HD Soft Windows FTP Server 1.5/1.6 - 'Username' Format String
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