CVE-2025-54309
9.0 · CRITICAL Actively ExploitedOverview
CVE-2025-54309 is a critical-severity vulnerability affecting crushftp crushftp. It was published on July 18, 2025 and has a CVSS 3.1 base score of 9.0 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
This vulnerability has a CVSS 3.1 base score of 9.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from crushftp. Update crushftp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| crushftp | crushftp | >= 10.0.0, < 10.8.5 | Affected |
References
Frequently Asked Questions
What is CVE-2025-54309?
CVE-2025-54309 is a critical-severity vulnerability affecting crushftp crushftp. It was published on July 18, 2025 and has a CVSS 3.1 base score of 9.0 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
How severe is CVE-2025-54309?
This vulnerability has a CVSS 3.1 base score of 9.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-54309?
Check the references section for vendor advisories and patches from crushftp. Update crushftp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-54309?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-54309 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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