CVE-2025-34299

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

cpe:2.3:a:monstaftp:monsta_ftp:*:*:*:*:*:*:*:*

History

10 Dec 2025, 19:50

Type	Values Removed	Values Added
First Time		Monstaftp Monstaftp monsta Ftp
CPE		cpe:2.3:a:monstaftp:monsta_ftp::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
References	~~() https://labs.watchtowr.com/whats-that-coming-over-the-hill-monsta-ftp-remote-code-execution-cve-2025-34299/ -~~	() https://labs.watchtowr.com/whats-that-coming-over-the-hill-monsta-ftp-remote-code-execution-cve-2025-34299/ - Exploit, Third Party Advisory
References	~~() https://www.monstaftp.com/notes/ -~~	() https://www.monstaftp.com/notes/ - Release Notes
References	~~() https://www.vulncheck.com/advisories/monsta-ftp-unauthenticated-arbitrary-file-upload -~~	() https://www.vulncheck.com/advisories/monsta-ftp-unauthenticated-arbitrary-file-upload - Third Party Advisory

07 Nov 2025, 14:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-11-07 14:15

Updated : 2025-12-10 19:50

NVD link : CVE-2025-34299

Mitre link : CVE-2025-34299

CVE.ORG link : CVE-2025-34299

JSON object : View

Products Affected

monstaftp

monsta_ftp

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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