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Critical · 9.3 Scanner template Public exploit CVE-2025-34299 EUVD-2025-38247GHSA-42m5-3r2p-wr92

Monsta FTP <= 2.11 Unauthenticated Arbitrary File Upload

Published Nov 7, 2025 · Updated May 14, 2026 · Assigned by VulnCheck

Vendor: Monsta Limited of New Zealand Product: Monsta FTP

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.

Affected products

VendorProductAffectedFixed
Monsta Limited of New Zealand Monsta FTP ≤ 2.11 —

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.

Metasploit 1 module

GitHub 3 repositories

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

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

References