What is the CVSS score of CVE-2019-25564?

CVE-2019-25564 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Pchelpwarev2 are affected by CVE-2019-25564?

Organizations using PCHelpWareV2 1.0.0.5 should be aware of moderate risk from CVE-2019-25564, a out-of-bounds write vulnerability rated CVSS 5.5.

Is there a public PoC exploit available for CVE-2019-25564?

Yes, a public proof-of-concept exploit is available for CVE-2019-25564. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2019-25564?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Pchelpwarev2 CVE-2019-25564

EUVD-2019-19876 MEDIUM

Out-of-bounds Write (CWE-787)

2026-03-21 VulnCheck

GHSA-3v7v-cgjc-xh4g

Memory Corruption Denial Of Service Buffer Overflow Pchelpwarev2

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

PoC Detected

Mar 24, 2026 - 20:43 vuln.today

Public exploit code

EUVD ID Assigned

Mar 21, 2026 - 13:00 euvd

EUVD-2019-19876

Analysis Generated

Mar 21, 2026 - 13:00 vuln.today

CVE Published

Mar 21, 2026 - 12:47 nvd

MEDIUM 5.5

DescriptionCVE.org

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.

AnalysisAI

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. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. 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. Affected products include: Uvnc Pchelpwarev2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).