CVE-2023-53879

MEDIUM

NVClient 5.0 - Buffer Overflow

Title source: llm

Description

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.

Exploits (1)

exploitdb WORKING POC

by Ahmet Ümit BAYRAM · textlocalwindows

https://www.exploit-db.com/exploits/51700

View Code ZIP pw:eip

References (3)

[Product] http://download.eyemaxdvr.com/DVST%20ST%20SERIES/CMS/Video%20Surveillance%20Management%20Software(V5.0).pdf

[Exploit, Third Party Advisory] https://www.exploit-db.com/exploits/51700

[Third Party Advisory] https://www.vulncheck.com/advisories/nvclient-stack-buffer-overflow-vulnerability-via-user-configuration

Scores

CVSS v3 5.5

EPSS 0.0003

EPSS Percentile 8.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-121 CWE-787

Status published

Products (2)

eyemaxsystems/nvclient 5.0

neonguvenlik/NVClient 5.0

Published Dec 15, 2025

Tracked Since Feb 18, 2026