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.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Public exploits 4
- Monsta FTP downloadFile Remote Code Execution (exploit module) Metasploit · verified · 2025-11-07
- Chocapikk/CVE-2025-34299 PoC on GitHub
- KrE80r/CVE-2025-34299-lab PoC on GitHub
- rxerium/CVE-2025-34299 PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Change history 1
- First seenCVSS 9.3 · monstaftpNVD modified 2026-10-18 21:10
Affected (CPE criteria) 1
cpe:2.3:a:monstaftp:monsta_ftp:*:*:*:*:*:*:*:*
References 3
- 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
- https://www.vulncheck.com/advisories/monsta-ftp-unauthenticated-arbitrary-file-upload Third Party Advisory