CVE-2023-53879

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.

Score

CVSS 4.0 6.7 Medium

Status

Analyzed - disclosure@vulncheck.com

Published

2025-12-15

Last modified

2026-05-12

Weaknesses

CWE-121, CWE-787

Affected products

• Nvclient (Eyemaxsystems)
• Nvclient (Neonguvenlik)

References

• http://download.eyemaxdvr.com/DVST%20ST%20SERIES/CMS/Video%20Surveillance%20Management%20Software(V5.0).pdf
• https://www.exploit-db.com/exploits/51700
• https://www.vulncheck.com/advisories/nvclient-stack-buffer-overflow-vulnerability-via-user-configuration