What is CVE-2019-25564?

CVE-2019-25564 is a medium-severity vulnerability in Uvnc Pchelpwarev2, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2026-03-21.

How severe is CVE-2019-25564?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Uvnc Pchelpwarev2

CVE-2019-25564

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 p…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (7.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Uvnc Pchelpwarev2 — versions 1.0.0.5

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

ExploitDB-46709 (exploit)
Official Product Homepage (product)
Product Reference (product)
VulnCheck Advisory: PCHelpWareV2 1.0.0.5 Denial of Service via Group Field (third-party-advisory)

Frequently asked questions

What is CVE-2019-25564?: CVE-2019-25564 is a medium-severity vulnerability in Uvnc Pchelpwarev2, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2026-03-21.
How severe is CVE-2019-25564?: Medium severity. CVSS v3 base score is 5.5 out of 10.