CVE-2019-25572

MEDIUM

NordVPN 6.19.6 Denial of Service via Email Field Buffer Overflow

Title source: cna

Description

NordVPN 6.19.6 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string in the email input field. Attackers can paste a buffer of 100,000 characters into the email field during login to trigger an application crash.

Exploits (1)

exploitdb WORKING POC

by Alejandra Sánchez · pythondoswindows

https://www.exploit-db.com/exploits/46343

View Code ZIP pw:eip

References (4)

[Exploit] https://www.exploit-db.com/exploits/46343

[Product] https://nordvpn.com/

[Product] https://downloads.nordcdn.com/apps/windows/10/NordVPN/latest/NordVPNSetup.exe

[Third Party Advisory] https://www.vulncheck.com/advisories/nordvpn-denial-of-service-via-email-field-buffer-overflow

Scores

CVSS v3 6.2

EPSS 0.0002

EPSS Percentile 3.4%

Attack Vector LOCAL

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

Details

CWE

CWE-1260

Status published

Products (1)

Nordvpn/NordVPN 6.19.6

Published Mar 21, 2026

Tracked Since Mar 21, 2026