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CISA Known Exploited Vulnerability
This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.
CVE

CVE-2025-54309

9.0
CVSScritical
Exploitable remotely over the internet · no authentication required.
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.

Attack Vector
Network
Privileges Req.
None
User Interaction
None
crushftp
Updated Nov 10, 2026View on NVD →
S4E scanner
criticalNetwork Vulnerabilities~10 seconds

CrushFTP - Authentication Bypass Race Condition

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. References: https://github.com/watchtowrlabs/watchTowr-vs-CrushFTP-Authentication-Bypass-CVE-2025-54309/blob/main/watchTowr-vs-CrushFTP-CVE-2025-54309.py https://labs.watchtowr.com/the-one-where-we-just-steal-the-vulnerabilities-crushftp-cve-2025-54309/ Remediation: Update to the latest version of CrushFTP that patches this authentication bypass vulnerability.

Used 18 times · 9 assets checked · domain, subdomain, ipv4

CVE history: crushftp

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