CVE-2025-54309
KEVCRITICAL 9.8EPSS 95.1%
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.
- Affected
- CrushFTP
- CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1 MITRE
- 9.0 CRITICAL
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - EPSS
- 95.11% chance of exploitation in the next 30 days, 100th percentile
- CISA KEV
- added 2025-07-22
- Nuclei
- critical
- Published
- 2025-07-18
- Updated
- 2025-10-21
Proof-of-concept exploits (7)
- blueisbeautiful/CVE-2025-543090★ · 2025-08-30
- brokendreamsclub/CVE-2025-543090★ · 2025-08-30
- chin-tech/CrushFTP_CVE-2025-543090★ · 2025-09-13
- foregenix/CVE-2025-543092★ · 2025-09-03
- watchtowrlabs/watchTowr-vs-CrushFTP-Authentication-Bypass-CVE-2025-5430928★ · 2025-08-25
- whisperer1290/CVE-2025-54309__Enhanced_exploit1★ · 2025-09-06
- 0xLittleSpidy/CVE-2025-543091★ · 2026-01-27
Nuclei templates (1)
Security advisories
- https://www.crushftp.com/crush11wiki/Wiki.jsp?page=CompromiseJuly2025
- https://www.vicarius.io/vsociety/posts/cve-2025-54309-detect-crushftp-vulnerability
- https://www.vicarius.io/vsociety/posts/cve-2025-54309-mitigate-crushftp-vulnerability