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.

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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
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