CVE-2025-34299
Last modified
CVE-2025-34299 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Monsta FTP versions 2.11 and earlier contain a vulnerability that allows unauthenticated arbitrary file uploads. This flaw enables attackers to execute arbitrary code by uploading a specially crafted file from a malicious (S)FTP server.. EPSS estimates a 72.54% chance of exploitation in the next 30 days.
Description
Monsta FTP versions 2.11 and earlier contain a vulnerability that allows unauthenticated arbitrary file uploads. This flaw enables attackers to execute arbitrary code by uploading a specially crafted file from a malicious (S)FTP server.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Monstaftp | Monsta Ftp | <= 2.11 |
References
- https://labs.watchtowr.com/whats-that-coming-over-the-hill-monsta-ftp-remote-code-execution-cve-2025-34299/Exploit, Third Party Advisory
- https://www.monstaftp.com/notes/Release Notes
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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