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CVE-2025-3678— PCMan FTP Server HELP 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版本存在安全漏洞，该漏洞源于HELP命令处理程序缓冲区溢出，可能导致远程攻击。

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-2025-3678

Vulnerability Information
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Vulnerability Title
PCMan FTP Server HELP Command buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, has been found in PCMan FTP Server 2.0.7. This issue affects some unknown processing of the component HELP Command Handler. The manipulation leads to buffer overflow. The attack may be initiated 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版本存在安全漏洞，该漏洞源于HELP命令处理程序缓冲区溢出，可能导致远程攻击。
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 2.0.7 -

II. Public POCs for CVE-2025-3678

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III. Intelligence Information for CVE-2025-3678

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Vendor Advisories for CVE-2025-3678 (2)

Same Patch Batch · PCMan · 2025-04-16 · 11 CVEs total

CVE-2025-3680 7.3 HIGH PCMan FTP Server LANG Command buffer overflow
CVE-2025-3679 7.3 HIGH PCMan FTP Server HOST Command buffer overflow
CVE-2025-3681 7.3 HIGH PCMan FTP Server MODE Command buffer overflow
CVE-2025-3683 7.3 HIGH PCMan FTP Server SIZE Command buffer overflow
CVE-2025-3682 7.3 HIGH PCMan FTP Server PASV Command buffer overflow
CVE-2025-3727 7.3 HIGH PCMan FTP Server STATUS Command buffer overflow
CVE-2025-3726 7.3 HIGH PCMan FTP Server CD Command buffer overflow
CVE-2025-3725 7.3 HIGH PCMan FTP Server MIC Command buffer overflow
CVE-2025-3724 7.3 HIGH PCMan FTP Server DIR Command buffer overflow
CVE-2025-3723 7.3 HIGH PCMan FTP Server MDTM Command buffer overflow

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-3678

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