Uvnc PCHelpWareV2 1.0.0.5 Group out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Uvnc PCHelpWareV2 1.0.0.5. Affected by this vulnerability is an unknown functionality. Such manipulation of the argument Group leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2019-25564. Local access is required to approach this attack. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Uvnc PCHelpWareV2 1.0.0.5. Affected by this issue is an unknown function. The manipulation of the argument Group with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is availability. CVE summarizes:

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.

The weakness was disclosed by Alejandra Sánchez as 46709. The advisory is shared for download at exploit-db.com. This vulnerability is handled as CVE-2019-25564 since 03/21/2026. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (46709) and EUVD (EUVD-2019-19876). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.0
NVD Vector: 🔒

CNA Base Score: 5.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/21/2026 Advisory disclosed
03/21/2026 +0 days CVE reserved
03/21/2026 +0 days VulDB entry created
03/27/2026 +6 days VulDB entry last update

Sourcesinfo

Advisory: 46709
Researcher: Alejandra Sánchez
Status: Not defined

CVE: CVE-2019-25564 (🔒)
GCVE (CVE): GCVE-0-2019-25564
GCVE (VulDB): GCVE-100-352352
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/21/2026 15:55
Updated: 03/27/2026 16:28
Changes: 03/21/2026 15:55 (80), 03/21/2026 17:13 (1), 03/27/2026 16:28 (12)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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