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CVE-2025-34299— Monsta FTP <= 2.11 Unauthenticated Arbitrary File Upload

Quick assessment

Affected
Monsta Limited of New Zealand Monsta FTP
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Monsta FTP是新西兰Monsta公司的一款轻量级文件管理器。它支持文件传输、文件管理和文档编辑等功能。 Monsta FTP 2.11及之前版本存在安全漏洞，该漏洞源于允许未经身份验证的任意文件上传，可能导致执行任意代码。

AI Predicted 9.8 Difficulty: Easy EPSS 72.67% · P99

Affected Version Matrix 1

VendorProduct Version RangeStatus
Monsta Limited of New Zealand Monsta FTP ≤ 2.11 affected
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I. Basic Information for CVE-2025-34299

Vulnerability Information
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Vulnerability Title
Monsta FTP <= 2.11 Unauthenticated Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Monsta FTP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Monsta FTP是新西兰Monsta公司的一款轻量级文件管理器。它支持文件传输、文件管理和文档编辑等功能。 Monsta FTP 2.11及之前版本存在安全漏洞，该漏洞源于允许未经身份验证的任意文件上传，可能导致执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Monsta Limited of New Zealand Monsta FTP 0 ~ 2.11 -

II. Public POCs for CVE-2025-34299

# POC Description Source Link Shenlong Link
1 Detection for CVE-2025-34299 https://github.com/rxerium/CVE-2025-34299 POC Details
2 CVE-2025-34299 https://github.com/B1ack4sh/Blackash-CVE-2025-34299 POC Details
3 MonstaFTP Unauthenticated File Upload https://github.com/Chocapikk/CVE-2025-34299 POC Details
4 CVE-2025-34299 https://github.com/Ashwesker/Blackash-CVE-2025-34299 POC Details
5 Monsta FTP = 2.11 contains an unrestricted file upload vulnerability caused by lack of authentication on file uploads, letting unauthenticated attackers execute arbitrary code by uploading crafted files. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-34299.yaml POC Details
6 Docker test environment for CVE-2025-34299 - Monsta FTP Pre-Auth RCE vulnerability https://github.com/KrE80r/CVE-2025-34299-lab POC Details
7 CVE-2025-34299 https://github.com/Ashwesker/Ashwesker-CVE-2025-34299 POC Details
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III. Intelligence Information for CVE-2025-34299

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Other References for CVE-2025-34299 (1)

IV. Related Vulnerabilities

Same product: Monsta FTP
Same vendor: Monsta Limited of New Zealand
Same weakness: CWE-434

V. Comments for CVE-2025-34299

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