CVE-2018-25368

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-05-26. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.5
EG Score
7.5(medium)
EG Risk
65(Attend)
EG Risk 65/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

May 25, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Jun 7, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Nord VPN 6.14.31 Denial of Service via Password Field | Advisories | VulnCheck

https://www.vulncheck.com/advisories/nord-vpn-denial-of-service-via-password-field
generic🟡 PoC Available

Nord VPN 6.14.31 - Denial of Service (PoC) - Windows_x86-64 dos Exploit

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

Vendor Advisories for CVE-2018-25368(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 72× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 218 total refreshes for this CVE.

  1. 2026-08-25 13:44 UTCEPSS rescore
  2. 2026-08-23 16:33 UTCEG score recompute
  3. 2026-08-23 16:33 UTCGHSA enrichment
  4. 2026-08-21 23:45 UTCEPSS rescore
  5. 2026-08-21 21:34 UTCEG score recompute
  6. 2026-08-21 21:34 UTCGHSA enrichment
  7. 2026-08-20 22:51 UTCEPSS rescore
  8. 2026-08-20 18:26 UTCEG score recompute
  9. 2026-08-20 18:26 UTCGHSA enrichment
  10. 2026-08-19 17:00 UTCEPSS rescore
  11. 2026-08-18 13:44 UTCEPSS rescore
  12. 2026-08-17 13:43 UTCEPSS rescore
  13. 2026-08-17 09:39 UTCGHSA enrichment
  14. 2026-08-16 16:46 UTCEG score recompute
  15. 2026-08-16 16:46 UTCGHSA enrichment
  16. 2026-08-16 14:51 UTCEPSS rescore
  17. 2026-08-16 03:12 UTCEG score recompute
  18. 2026-08-16 03:12 UTCGHSA enrichment
  19. 2026-08-16 02:10 UTCEPSS rescore
  20. 2026-08-15 01:33 UTCEG score recompute
  21. 2026-08-15 01:33 UTCGHSA enrichment
  22. 2026-08-15 01:26 UTCEPSS rescore
  23. 2026-08-14 13:41 UTCGHSA enrichment
  24. 2026-08-14 01:48 UTCEG score recompute
  25. 2026-08-14 01:48 UTCGHSA enrichment
Show 75 more
  1. 2026-08-13 21:56 UTCEPSS rescore
  2. 2026-08-13 02:03 UTCGHSA enrichment
  3. 2026-08-12 14:11 UTCEG score recompute
  4. 2026-08-12 14:11 UTCGHSA enrichment
  5. 2026-08-12 13:46 UTCEPSS rescore
  6. 2026-08-12 01:36 UTCGHSA enrichment
  7. 2026-08-11 13:44 UTCEG score recompute
  8. 2026-08-11 13:44 UTCGHSA enrichment
  9. 2026-08-11 00:26 UTCEG score recompute
  10. 2026-08-11 00:26 UTCGHSA enrichment
  11. 2026-08-10 12:15 UTCGHSA enrichment
  12. 2026-08-10 00:22 UTCEG score recompute
  13. 2026-08-10 00:22 UTCGHSA enrichment
  14. 2026-08-09 13:43 UTCEPSS rescore
  15. 2026-08-09 12:30 UTCGHSA enrichment
  16. 2026-08-09 00:34 UTCEG score recompute
  17. 2026-08-09 00:34 UTCGHSA enrichment
  18. 2026-08-08 16:32 UTCEPSS rescore
  19. 2026-08-08 08:31 UTCGHSA enrichment
  20. 2026-08-07 20:39 UTCEG score recompute
  21. 2026-08-07 20:39 UTCGHSA enrichment
  22. 2026-08-07 16:23 UTCEPSS rescore
  23. 2026-08-07 08:46 UTCGHSA enrichment
  24. 2026-08-06 20:53 UTCEG score recompute
  25. 2026-08-06 20:53 UTCGHSA enrichment
  26. 2026-08-06 13:42 UTCEPSS rescore
  27. 2026-08-06 09:00 UTCGHSA enrichment
  28. 2026-08-05 21:07 UTCEG score recompute
  29. 2026-08-05 21:07 UTCGHSA enrichment
  30. 2026-08-05 19:13 UTCEPSS rescore
  31. 2026-08-04 15:05 UTCEPSS rescore
  32. 2026-08-04 04:36 UTCGHSA enrichment
  33. 2026-08-03 16:44 UTCEG score recompute
  34. 2026-08-03 16:44 UTCGHSA enrichment
  35. 2026-08-03 04:35 UTCGHSA enrichment
  36. 2026-08-02 16:40 UTCGHSA enrichment
  37. 2026-08-02 04:48 UTCEG score recompute
  38. 2026-08-02 04:47 UTCGHSA enrichment
  39. 2026-08-02 02:23 UTCEPSS rescore
  40. 2026-08-01 16:54 UTCEG score recompute
  41. 2026-08-01 16:54 UTCGHSA enrichment
  42. 2026-08-01 04:12 UTCEPSS rescore
  43. 2026-07-30 16:24 UTCEPSS rescore
  44. 2026-07-30 01:27 UTCEPSS rescore
  45. 2026-07-29 17:12 UTCEG score recompute
  46. 2026-07-29 17:12 UTCGHSA enrichment
  47. 2026-07-28 15:32 UTCEPSS rescore
  48. 2026-07-26 14:51 UTCEPSS rescore
  49. 2026-07-26 14:51 UTCEPSS rescore
  50. 2026-07-26 07:59 UTCEG score recompute
  51. 2026-07-26 07:58 UTCGHSA enrichment
  52. 2026-07-25 14:14 UTCEPSS rescore
  53. 2026-07-24 14:14 UTCEPSS rescore
  54. 2026-07-24 14:14 UTCEPSS rescore
  55. 2026-07-23 14:15 UTCEPSS rescore
  56. 2026-07-23 01:36 UTCEG score recompute
  57. 2026-07-22 22:16 UTCEG score recompute
  58. 2026-07-22 14:05 UTCEPSS rescore
  59. 2026-07-21 15:22 UTCEPSS rescore
  60. 2026-07-20 17:04 UTCEPSS rescore
  61. 2026-07-20 17:04 UTCEPSS rescore
  62. 2026-07-19 14:28 UTCEPSS rescore
  63. 2026-07-19 02:26 UTCEPSS rescore
  64. 2026-07-19 02:26 UTCEPSS rescore
  65. 2026-07-16 16:59 UTCEPSS rescore
  66. 2026-07-16 16:59 UTCEPSS rescore
  67. 2026-07-15 16:55 UTCEPSS rescore
  68. 2026-07-15 16:55 UTCEPSS rescore
  69. 2026-07-15 01:56 UTCEPSS rescore
  70. 2026-07-15 01:56 UTCEPSS rescore
  71. 2026-07-13 22:27 UTCEPSS rescore
  72. 2026-07-13 22:26 UTCEPSS rescore
  73. 2026-07-13 06:10 UTCEPSS rescore
  74. 2026-07-12 05:43 UTCEPSS rescore
  75. 2026-07-11 08:24 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-25368?
CVE-2018-25368 is a high vulnerability published on May 25, 2026. 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…
When was CVE-2018-25368 disclosed?
CVE-2018-25368 was first published in the National Vulnerability Database on May 25, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-25368 actively exploited?
CVE-2018-25368 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 68.6% of all scored CVEs.
What is the CVSS score of CVE-2018-25368?
CVE-2018-25368 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2018-25368?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-25368, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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