Stack Buffer Overflow Vulnerability in NVClient by EyeMax
CVE-2023-53879

5.3MEDIUM

Key Information:

Vendor

Neonguvenlik

Status
Nvclient
Vendor
CVE Published:
15 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-53879?

The NVClient 5.0 software from EyeMax is susceptible to a stack buffer overflow vulnerability within the user configuration contact field. This flaw allows attackers to exploit the contact box by injecting a crafted payload, leading to the overwriting of 846 bytes of memory. As a result, this vulnerability can induce a denial of service condition, ultimately causing the application to crash, making it crucial for users to implement security measures promptly.

Affected Version(s)

NVClient 5.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-53879 - Proof of Concept

References

https://www.exploit-db.com/exploits/51700
exploit
http://download.eyemaxdvr.com/DVST%20ST%20SERIES/CMS/Vide...
product
https://www.vulncheck.com/advisories/nvclient-stack-buffe...
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ahmet Ümit BAYRAM
JSON
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CVE-2023-53879 : Stack Buffer Overflow Vulnerability in NVClient by EyeMax