CVE-2019-25563

MEDIUM

PCHelpWareV2 1.0.0.5 Denial of Service via SC Creation

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25563. PoCs published by Alejandra Sánchez.

AI-analyzed exploit summary This PoC exploits a buffer overflow vulnerability in PCHelpWareV2 by creating a malformed BMP file that triggers a denial-of-service (DoS) when processed by the application. The script generates a 10,000-byte buffer of 'A' characters and writes it to a file named 'exploit.bmp'.

Description

PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying a malformed image file. Attackers can trigger the vulnerability through the Create SC feature by selecting a crafted BMP file with an oversized buffer, causing the application to crash.

Exploits (1)

exploitdb WORKING POC
by Alejandra Sánchez · pythondoswindows
https://www.exploit-db.com/exploits/46708

This PoC exploits a buffer overflow vulnerability in PCHelpWareV2 by creating a malformed BMP file that triggers a denial-of-service (DoS) when processed by the application. The script generates a 10,000-byte buffer of 'A' characters and writes it to a file named 'exploit.bmp'.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: PCHelpWareV2 1.0.0.5
No auth needed
Prerequisites: Python environment · PCHelpWareV2 installed on target system
devstral-2 · analyzed Mar 21, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit exploit
ExploitDB-46708
https://www.exploit-db.com/exploits/46708
Product product
Official Product Homepage
https://www.uvnc.com/home.html
Product product
Product Reference
http://www.uvnc.eu/download/pchw2/PCHelpWareV2.msi
Third Party Advisory third-party-advisory
VulnCheck Advisory: PCHelpWareV2 1.0.0.5 Denial of Service via SC Creation
https://www.vulncheck.com/advisories/pchelpwarev2-denial-of-service-via-sc-creation

Scores

CVSS v3 6.2
EPSS 0.0018
EPSS Percentile 7.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-226
Status published
Products (2)
uvnc/pchelpwarev2 1.0.0.5
Uvnc/PCHelpWareV2 1.0.0.5
Published Mar 21, 2026
Tracked Since Mar 21, 2026