CVE-2025-54309

CRITICALNVD 9.09.0—
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-07-22), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.0 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.0
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 92%CVSS: 9.0Exploit: NoneExposed: 0

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

CrushFTP 10 before 10.8.5 and 11 before 11.3.4_23, when the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS, as exploited in the wild in July 2025.

CVSS v3
9.0
EG Score
9.0(high)
EPSS
99.8%
KEV
⚠ Exploited

Published

July 18, 2025

Last Modified

November 5, 2025

Advisory Details (6)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-54309
generic🔴 Active Exploitation

CVE-2025-54309: Mitigate CrushFTP Vulnerability - vsociety

https://www.vicarius.io/vsociety/posts/cve-2025-54309-mitigate-crushftp-vulnerability
generic🔴 Active Exploitation

CVE-2025-54309: Detect CrushFTP Vulnerability - vsociety

https://www.vicarius.io/vsociety/posts/cve-2025-54309-detect-crushftp-vulnerability
generic🔴 Active Exploitation

CVE-2025-54309: Crush FTP Vulnerability Exploited in the Wild

https://www.rapid7.com/blog/post/crushftp-zero-day-exploited-in-the-wild/
generic Patch Available🔴 Active Exploitation

Crush11wiki: CompromiseJuly2025

https://www.crushftp.com/crush11wiki/Wiki.jsp?page=CompromiseJuly2025
generic🔴 Active Exploitation

New CrushFTP zero-day exploited in attacks to hijack servers

https://www.bleepingcomputer.com/news/security/crushftp-zero-day-exploited-in-attacks-to-gain-admin-access-on-servers/

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 48× in last 7d / 196× 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 336 total refreshes for this CVE.

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

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCforegenix/CVE-2025-54309
    First seen Sep 3, 2025

    Exploitation scripts for the CrushFTP CVE-2025-54309: vulnerability

    Open source ↗
  • GitHub PoCwatchtowrlabs/watchTowr-vs-CrushFTP-Authentication-Bypass-CVE-2025-54309
    First seen Aug 25, 2025
    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2025-54309?
CVE-2025-54309 is a critical vulnerability published on July 18, 2025. CrushFTP 10 before 10.8.5 and 11 before 11.3.4_23, when the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS, as exploited in the wild in July 2025.
When was CVE-2025-54309 disclosed?
CVE-2025-54309 was first published in the National Vulnerability Database on July 18, 2025, with the most recent update on November 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-54309 actively exploited?
Yes. CISA added CVE-2025-54309 to the Known Exploited Vulnerabilities catalog on July 22, 2025, affecting CrushFTP CrushFTP. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2025-54309?
CVE-2025-54309 has a CVSS v3 base score of 9.0 (NVD).
Which products are affected by CVE-2025-54309?
CVE-2025-54309 affects CrushFTP CrushFTP. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2025-54309?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-54309, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2025-54309

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