What is CVE-2019-25343?

CVE-2019-25343 is a high-severity vulnerability in Vm3max Nextvpn, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2026-02-12.

How severe is CVE-2019-25343?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Vm3max Nextvpn

CVE-2019-25343

NextVPN 4.10 contains an insecure file permissions vulnerability that allows local users to modify executable files with full access rights. Attackers can replace system executables with malicious files to gain SYSTEM or Administrator priv…

EPSS: 0.001 (1.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Vm3max Nextvpn — versions 4.10

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

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

Frequently asked questions

What is CVE-2019-25343?: CVE-2019-25343 is a high-severity vulnerability in Vm3max Nextvpn, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2026-02-12.
How severe is CVE-2019-25343?: High severity. CVSS v3 base score is 7.8 out of 10.