# CVE-2025-34299

## Summary

- **CVE ID:** CVE-2025-34299
- **Severity:** CRITICAL
- **CVSS Score:** 9.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-434
- **Published:** Nov 7, 2025
- **Last Modified:** May 14, 2026

## 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

- Monsta Limited of New Zealand — Monsta FTP (0)

## References

- [CNA](https://www.monstaftp.com/notes/)
- [CNA](https://labs.watchtowr.com/whats-that-coming-over-the-hill-monsta-ftp-remote-code-execution-cve-2025-34299/)
- [CNA](https://www.vulncheck.com/advisories/monsta-ftp-unauthenticated-arbitrary-file-upload)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 72.85%
- **EPSS Percentile:** 99.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._