CVE-2025-34299
CRITICAL EXPLOITED NUCLEIMonsta FTP < 2.11 - Unauthenticated Arbitrary File Upload
Title source: llmExploitation Summary
CVE-2025-34299 has been observed exploited in the wild (reported by VulnCheck KEV).
EIP tracks 4 public exploits from researchers including Chocapikk, KrE80r, rxerium, including a Metasploit module exploits/multi/http/monsta_ftp_downloadfile_rce.
A Nuclei detection template is also available.
AI-analyzed exploit summary This is a functional exploit for CVE-2025-34299, targeting Monsta FTP 2.10.4 via arbitrary file write in the `downloadFile` functionality. It establishes a reverse shell by hosting a malicious FTP server and triggering payload execution.
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.
Exploits (4)
This is a functional exploit for CVE-2025-34299, targeting Monsta FTP 2.10.4 via arbitrary file write in the `downloadFile` functionality. It establishes a reverse shell by hosting a malicious FTP server and triggering payload execution.
This repository provides a Docker-based test environment for CVE-2025-34299, a pre-authentication RCE vulnerability in Monsta FTP <= 2.11.2 due to unrestricted file upload. It includes setup instructions, verification steps, and references but does not contain exploit code.
This repository provides a Nuclei template for detecting Monsta FTP versions vulnerable to CVE-2025-34299, an unauthenticated arbitrary file upload vulnerability. It checks for the presence of Monsta FTP and compares the version to identify vulnerable instances.
This Metasploit module exploits a pre-auth RCE vulnerability in Monsta FTP < 2.11.3 via the downloadFile action, allowing arbitrary file uploads by tricking the server into connecting to a malicious FTP server. It supports multiple payload types (PHP, Unix/Linux, Windows) and includes a custom FTP server to deliver the payload.
Nuclei Templates (1)
http.title:"Monsta FTP"
title="Monsta FTP"
References (3)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H