CVE-2026-67193

mediumCVSS 5.3covered by 1 sourcefirst seen 2026-07-29

Xlight FTP Server before 3.9.5 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain the server's current GetTickCount() value by sending a USER command with a username ending in the :adm suffix. Attackers can trigger the admin protocol path within the standard FTP listener pre-authentication to leak timing information from the FTP 331 response without requiring a separate port or configuration change.

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Exploitation outlook

Low exploitation risk0.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-67193: Xlight FTP Server before 3.9.5 contains an information disclosure vulnerability that allows un…nvd · 2026-07-29

External references

NVD record for CVE-2026-67193

CVE.org record

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