What’s Vulnerable › Vulnerabilities

CVE-2018-25368: Nord VPN 6.14.31 Denial of Service via Password Field

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-25 · updated 2026-10-06
• Weakness: CWE-789

Description

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.

Affected products

• NordVPN: through 6.14.31

References

• https://nordvpn.com/download/
• https://www.exploit-db.com/exploits/45304
• https://www.vulncheck.com/advisories/nord-vpn-denial-of-service-via-password-field

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