CVE-2021-47814: Nsasoft Nbmonitor

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

NBMonitor 1.6.8 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the registration code input field. Attackers can paste a 256-character buffer into the registration key field to trigger an application crash and potential system instability.

Affected products

• Nsasoft Nbmonitor: version 1.6.8 only

Published 2026-01-16. Last modified 2026-06-29.