A vulnerability classified as critical has been found in Uvnc PCHelpWareV2 1.0.0.5 . Affected is an unknown function. This manipulation of the argument Group causes out-of-bounds write. This vulnerability is handled as CVE-2019-25564 . It is possible to launch the attack on the local host. Additionally, an exploit exists.
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✦ AI Summary· Claude Sonnet
VDB-352352 · CVE-2019-25564 · EXPLOIT 46709
UVNC PCHELPWAREV2 1.0.0.5 GROUP OUT-OF-BOUNDS WRITE
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
4.2 $0-$5k 1.91+
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).
Productinfo
Vendor
Uvnc
Name
PCHelpWareV2
Version
1.0.0.5
CPE 2.3info
🔒
CPE 2.2info
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CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3info
VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2
VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 5.5
CNA Vector (VulnCheck): 🔒
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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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: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
0-Day Unlock Unlock Unlock Unlock
Today Unlock Unlock Unlock Unlock
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
03/21/2026 +0 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: 03/21/2026 17:13
Changes: 03/21/2026 15:55 (80), 03/21/2026 17:13 (1)
Complete: 🔍
Cache ID: 99:AAF:101
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