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Critical · 9.0 Known exploited Public exploit CVE-2025-54309 EUVD-2025-21909GHSA-rh5q-v9ww-rqgm

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 allow…

Published Jul 18, 2025 · Updated Oct 21, 2025 · Assigned by mitre

Vendor: CrushFTP Product: CrushFTP

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.

Affected products

VendorProductAffectedFixed
CrushFTP CrushFTP 10 – < 10.8.5, 11 – < 11.3.4_23 10.8.5

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 7 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 2

References