CVE-2019-25564

MEDIUM

PCHelpWareV2 1.0.0.5 Denial of Service via Group Field

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25564. PoCs published by Alejandra Sánchez.

AI-analyzed exploit summary This PoC demonstrates a denial-of-service vulnerability in PCHelpWareV2 1.0.0.5 by overflowing the 'Group' field with a buffer of 100 'A' characters, causing the application to crash.

Description

PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Attackers can paste a buffer overflow payload into the Group property field and click Ok to trigger an application crash.

Exploits (1)

exploitdb WORKING POC
by Alejandra Sánchez · pythondoswindows
https://www.exploit-db.com/exploits/46709

This PoC demonstrates a denial-of-service vulnerability in PCHelpWareV2 1.0.0.5 by overflowing the 'Group' field with a buffer of 100 'A' characters, causing the application to crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: PCHelpWareV2 1.0.0.5
No auth needed
Prerequisites: PCHelpWareV2 Viewer installed · access to the 'Properties' section
devstral-2 · analyzed Mar 21, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit exploit
ExploitDB-46709
https://www.exploit-db.com/exploits/46709
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 Group Field
https://www.vulncheck.com/advisories/pchelpwarev2-denial-of-service-via-group-field

Scores

CVSS v3 5.5
EPSS 0.0042
EPSS Percentile 33.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-787
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