CVE-2019-25343 NextVPN 4.10 - Insecure File Permissions
Local attackers can modify executable files with insecure permissions to replace system binaries and gain SYSTEM or Administrator privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-25343?
CVE-2019-25343 is a high-severity vulnerability in Vm3Max NextVPN, published on 12 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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 privileges through unauthorized file modification.
Weakness: CWE-732
Which versions are affected by CVE-2019-25343?
How do I fix CVE-2019-25343?
No fix has been published for CVE-2019-25343 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-25343 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25343 exists.
Sources
Also known as GHSA-w2vm-pjj6-6q8j.