CVE-2023-53879: Eyemaxsystems Nvclient

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

NVClient 5.0 contains a stack buffer overflow vulnerability in the user configuration contact field that allows attackers to crash the application. Attackers can overwrite 846 bytes of memory by pasting a crafted payload into the contact box, causing a denial of service condition.

Affected products

Published 2025-12-15. Last modified 2026-06-17.