CVE-2025-54309
CrushFTP
CVSS 9.0 CriticalKEV
- CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- Published: 2025-07-18T19:15:25.353
- Vendors: CrushFTP
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.
Related CVE by CWE
No related CWE found.
Top CVE for Vendor
- CVE-2025-54309 (CVSS 9)
Recently Exploited Similar Vulnerabilities
No recent KEV-listed items for this vendor/product.
How to fix CVE-2025-54309
CVE-2025-54309 is a critical severity vulnerability affecting CrushFTP the affected product.
Description: 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. Related CVE by CWENo related CWE found.Top CVE for VendorCVE-2025-54309 (CVSS 9)Recently Exploited Similar VulnerabilitiesNo recent KEV-listed […]
Exploit Difficulty: MEDIUM
⏱️ Time to exploit: 1-4 hours
🛠️ Required skills: Intermediate security knowledge
💰 Public exploits: May be available
How to Fix:
- Check if you're running the affected product
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
Description: 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. Related CVE by CWENo related CWE found.Top CVE for VendorCVE-2025-54309 (CVSS 9)Recently Exploited Similar VulnerabilitiesNo recent KEV-listed […]
Exploit Difficulty: MEDIUM
⏱️ Time to exploit: 1-4 hours
🛠️ Required skills: Intermediate security knowledge
💰 Public exploits: May be available
How to Fix:
1 Identify affected systems
- Check if you're running the affected product
2 Immediate actions
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
3 Verification
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
4 Long-term prevention
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
Exploit Difficulty Assessment
MEDIUM
Time to Exploit: 1-4 hours
Skills Required: Intermediate security knowledge
Public Exploits: May be available
KEV Status: This vulnerability is actively exploited in the wild!
Vulnerability Timeline
Jul 18, 2025
Vulnerability Published
CVE details first published to NVD database
KEV
Added to Known Exploited Vulnerabilities
CISA confirmed active exploitation in the wild
Oct 28, 2025
Imported to Database
Added to this CVE tracking system
Detection Rules & IOCs
No specific detection rules generated for this vulnerability type.