CVE-2025-5551— FreeFloat FTP Server SYSTEM Command buffer overflow
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I. Basic Information for CVE-2025-5551
Vulnerability Information
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Vulnerability Title
FreeFloat FTP Server SYSTEM Command buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in FreeFloat FTP Server 1.0. It has been classified as critical. This affects an unknown part of the component SYSTEM 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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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SYSTEM命令处理程序存在缓冲区溢出问题。
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-2025-5551
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · FreeFloat · 2025-06-04 · 10 CVEs total
| CVE-2025-5547 | 7.3 HIGH | FreeFloat FTP Server CDUP Command buffer overflow |
| CVE-2025-5548 | 7.3 HIGH | FreeFloat FTP Server NOOP Command buffer overflow |
| CVE-2025-5550 | 7.3 HIGH | FreeFloat FTP Server PBSZ Command buffer overflow |
| CVE-2025-5549 | 7.3 HIGH | FreeFloat FTP Server PASV Command buffer overflow |
| CVE-2025-5592 | 7.3 HIGH | FreeFloat FTP Server PASSIVE Command buffer overflow |
| CVE-2025-5593 | 7.3 HIGH | FreeFloat FTP Server HOST Command buffer overflow |
| CVE-2025-5594 | 7.3 HIGH | FreeFloat FTP Server SET Command buffer overflow |
| CVE-2025-5595 | 7.3 HIGH | FreeFloat FTP Server PROGRESS Command buffer overflow |
| CVE-2025-5596 | 7.3 HIGH | FreeFloat FTP Server REGET 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-2026-8260
D-Link DCS-935L HNAP Service hnap_service SetDeviceSettings - CVE-2026-8137
Totolink X5000R formDdns sub_458E40 buffer overflow - CVE-2026-6691
MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow - CVE-2026-7857
D-Link DI-8100 CGI user_group.asp sprintf buffer overflow - CVE-2026-7856
D-Link DI-8100 Web Management url_member.asp buffer overflow
V. Comments for CVE-2025-5551
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