CVE-1999-1539: Qpc Software Qvt Net

High severity, CVSS 7.5. EPSS: 12.1% chance of exploitation in the next 30 days.

Buffer overflow in FTP server in QPC Software's QVT/Term Plus versions 4.2d and 4.3 and QVT/Net 4.3 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long (1) user name or (2) password.

Affected products

• Qpc Software Qvt Net: version 4.3 only
• Qpc Software Qvt Term Plus: version 4.2d only; version 4.3 only

Published 1999-11-10. Last modified 2026-06-16.