CVE-2018-25368

Nord VPN 6.14.31 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting an excessively long string in the password field. Attackers can paste a buffer of repeated characters into the password input field to trigger an application crash when attempting to authenticate.

CVSS v4.0

8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

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

EPSS

0.39% chance of exploitation in the next 30 days, 32th percentile

Published

2026-05-25

Updated

2026-05-26

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/45304

References

• CVE Record
• NVD entry

Related

• CVE-2018-25367
• CVE-2018-25369
• CVE-2018-25366
• CVE-2018-25370
• CVE-2018-25365
• CVE-2018-25371