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CVE-2025-4079— PCMan FTP Server RENAME Command buffer overflow

Quick assessment

Affected
PCMan 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.

PCMan FTP Server是PCMan开源的一套内容管理系统。 PCMan FTP Server 2.0.7及之前版本存在安全漏洞，该漏洞源于组件RENAME Command Handler处理不当，可能导致缓冲区溢出攻击。

CVSS 7.3 · High EPSS 0.71% · P51

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-4079

Vulnerability Information
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Vulnerability Title
PCMan FTP Server RENAME Command buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in PCMan FTP Server up to 2.0.7. Affected is an unknown function of the component RENAME 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
PCMan FTP Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PCMan FTP Server是PCMan开源的一套内容管理系统。 PCMan FTP Server 2.0.7及之前版本存在安全漏洞，该漏洞源于组件RENAME Command Handler处理不当，可能导致缓冲区溢出攻击。
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
PCMan FTP Server 2.0.0 -

II. Public POCs for CVE-2025-4079

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III. Intelligence Information for CVE-2025-4079

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Vendor Advisories for CVE-2025-4079 (2)

IV. Related Vulnerabilities

Same product: FTP Server
Same vendor: PCMan
Same weakness: CWE-120

V. Comments for CVE-2025-4079

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