CVE-2025-4846— FreeFloat FTP Server MPUT Command buffer overflow
Quick assessment
Affected
FreeFloat FTP Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
FreeFloat FTP Server是Freefloat的一个FTP服务。 FreeFloat FTP Server 1.0版本存在安全漏洞，该漏洞源于组件MPUT Command Handler存在缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-4846
Vulnerability Information
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Vulnerability Title
FreeFloat FTP Server MPUT Command buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in FreeFloat FTP Server 1.0. This affects an unknown part of the component MPUT Command Handler. The manipulation leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
FreeFloat FTP Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeFloat FTP Server是Freefloat的一个FTP服务。 FreeFloat FTP Server 1.0版本存在安全漏洞，该漏洞源于组件MPUT Command Handler存在缓冲区溢出。
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)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| FreeFloat | FTP Server | 1.0 | - |
|
II. Public POCs for CVE-2025-4846
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · FreeFloat · 2025-05-18 · 6 CVEs total
| CVE-2025-4844 | 7.3 HIGH | FreeFloat FTP Server CD Command buffer overflow |
| CVE-2025-4845 | 7.3 HIGH | FreeFloat FTP Server TRACE Command buffer overflow |
| CVE-2025-4847 | 7.3 HIGH | FreeFloat FTP Server MLS Command buffer overflow |
| CVE-2025-4848 | 7.3 HIGH | FreeFloat FTP Server RECV Command buffer overflow |
| CVE-2025-4872 | 7.3 HIGH | FreeFloat FTP Server CCC Command buffer overflow |
IV. Related Vulnerabilities
Same vendor: FreeFloat
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CVE-2019-25614
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CVE-2012-10023
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CVE-2025-5667
FreeFloat FTP Server REIN Command buffer overflow -
CVE-2025-5666
FreeFloat FTP Server XMKD Command buffer overflow
Same weakness: CWE-120
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Multiple vulnerabilities affect the Sniffer component as par -
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V. Comments for CVE-2025-4846
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