Denial of Service Vulnerability in PCHelpWareV2 by UVNC
CVE-2019-25563

6.9MEDIUM

Key Information:

Vendor

Uvnc

Status
Pchelpwarev2
Vendor
CVE Published:
21 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25563?

PCHelpWareV2 version 1.0.0.5 is susceptible to a denial of service vulnerability that allows local attackers to crash the application. This can be achieved by submitting a specially crafted BMP file with an oversized buffer while using the Create SC feature, leading to application instability. Proper validation of image file formats is critical to mitigate this issue.

Affected Version(s)

PCHelpWareV2 1.0.0.5

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-2019-25563 - Proof of Concept

References

https://www.exploit-db.com/exploits/46708
exploit
https://www.uvnc.com/home.html
product
http://www.uvnc.eu/download/pchw2/PCHelpWareV2.msi
product

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alejandra Sánchez
.