CVE-2019-25572

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.

CVSS 4.0

6.9CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-25)

CWE

CWE-1260

Published

2026-03-21

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• nordvpn:nordvpn

References

• https://downloads.nordcdn.com/apps/windows/10/NordVPN/latest/NordVPNSetup.exe
• https://nordvpn.com/
• https://www.exploit-db.com/exploits/46343
• https://www.vulncheck.com/advisories/nordvpn-denial-of-service-via-email-field-buffer-overflow

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