What is CVE-2019-25733?

CVE-2019-25733 is a high-severity vulnerability in Nsauditor Netsharewatcher, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2026-06-04.

How severe is CVE-2019-25733?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Nsauditor Netsharewatcher

CVE-2019-25733

NetShareWatcher 1.5.8.0 contains a structured exception handler buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying malicious input. Attackers can craft a payload with overwritten SEH and NSEH p…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nsauditor Netsharewatcher — versions 1.5.8.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2019-25733?: CVE-2019-25733 is a high-severity vulnerability in Nsauditor Netsharewatcher, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.4/10. Published 2026-06-04.
How severe is CVE-2019-25733?: High severity. CVSS v3 base score is 8.4 out of 10.