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TI-2019-15625 Aliases CVE-2019-25572GHSA-cqg2-35mm-6458

NordVPN 6.19.6 Denial of Service via Email Field Buffer Overflow

Priority MEDIUM 64CWE-1260Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00163 5th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NordvpnNordVPN6.19.6—No fix listedCNA
  • NordVPN VendorNordvpn Affected 6.19.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nordvpn:nordvpn:*:*:*:*:*:windows:*:*up to 6.19.6VulnerableNordvpn
  • cpe:2.3:a:nordvpn:nordvpn:*:*:*:*:*:windows:*:* Versions up to 6.19.6 Vulnerable ·Nordvpn

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-25572
  2. 2026-10-03 Alias added: GHSA-cqg2-35mm-6458

References

Exploit 1

Other 2

  • TI-2018-07207 NordVPN 6.12.7.0 for Windows suffers from a SYSTEM privilege escalation vulnerability… CVSS 3.0CRITICAL 9.8
  • TI-2018-06610 NordVPN 3.3.10 for macOS suffers from a root privilege escalation vulnerability. CVSS 3.0HIGH 8.8
  • TI-2018-02920 OS command injection in Talos NordVPN CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences