CrushFTP CrushFTP

What it is

CrushFTP contains an unprotected alternate channel vulnerability. When the DMZ proxy feature is not used, mishandles AS2 validation and consequently allows remote attackers to obtain admin access via HTTPS.

What to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor notices and references

• www.crushftp.com/crush11wiki/Wiki.jsp?page=CompromiseJuly2025
• nvd.nist.gov/vuln/detail/CVE-2025-54309

Description and required action as published by CISA. Full record at NVD.