CVE-2025-5051— FreeFloat FTP Server BINARY 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公司的一个FTP服务。 FreeFloat FTP Server 1.0版本存在安全漏洞，该漏洞源于BINARY命令处理不当，可能导致缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-5051
Vulnerability Information
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Vulnerability Title
FreeFloat FTP Server BINARY Command buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical has been found in FreeFloat FTP Server 1.0. Affected is an unknown function of the component BINARY Command Handler. The manipulation leads to buffer overflow. It is possible to launch 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公司的一个FTP服务。 FreeFloat FTP Server 1.0版本存在安全漏洞，该漏洞源于BINARY命令处理不当，可能导致缓冲区溢出。
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-2025-5051
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · FreeFloat · 2025-05-21 · 5 CVEs total
| CVE-2025-5049 | 7.3 HIGH | FreeFloat FTP Server APPEND Command buffer overflow |
| CVE-2025-5050 | 7.3 HIGH | FreeFloat FTP Server BELL Command buffer overflow |
| CVE-2025-5052 | 7.3 HIGH | FreeFloat FTP Server LS Command buffer overflow |
| CVE-2025-5053 | 7.3 HIGH | FreeFloat FTP Server MDIR Command buffer overflow |
IV. Related Vulnerabilities
Same vendor: FreeFloat
-
CVE-2019-25614
Free Float FTP 1.0 STOR Command Remote Buffer Overflow -
CVE-2012-10023
FreeFloat FTP Server USER Command Buffer Overflow -
CVE-2012-10030
FreeFloat FTP Server Arbitrary File Upload -
CVE-2025-5667
FreeFloat FTP Server REIN Command buffer overflow -
CVE-2025-5666
FreeFloat FTP Server XMKD Command buffer overflow
Same weakness: CWE-120
-
CVE-2026-15340
Savannah lwIP SMTP client Classic Buffer Overflow -
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Out-of-bounds write in LE Audio Broadcast Sink when copying -
CVE-2026-82895
Multiple vulnerabilities affect the Sniffer component as par -
CVE-2026-84198
Multiple vulnerabilities affect the Sniffer component as par -
CVE-2026-84246
Multiple vulnerabilities affect the Sniffer component as par
V. Comments for CVE-2025-5051
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