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CVE-2025-4159— PCMan FTP Server GLOB 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FTP服务器软件。 PCMan FTP Server 2.0.7及之前版本存在安全漏洞，该漏洞源于GLOB命令处理程序存在缓冲区溢出。

CVSS 7.3 · High EPSS 0.71% · P50

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-4159

Vulnerability Information
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Vulnerability Title
PCMan FTP Server GLOB Command buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in PCMan FTP Server up to 2.0.7. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component GLOB Command Handler. The manipulation leads to buffer overflow. The attack can be launched 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FTP服务器软件。 PCMan FTP Server 2.0.7及之前版本存在安全漏洞，该漏洞源于GLOB命令处理程序存在缓冲区溢出。
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
PCMan FTP Server 2.0.0 -

II. Public POCs for CVE-2025-4159

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III. Intelligence Information for CVE-2025-4159

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Vendor Advisories for CVE-2025-4159 (2)

Same Patch Batch · PCMan · 2025-05-01 · 10 CVEs total

CVE-2025-4158 7.3 HIGH PCMan FTP Server PROMPT Command buffer overflow
CVE-2025-4160 7.3 HIGH PCMan FTP Server LS Command buffer overflow
CVE-2025-4161 7.3 HIGH PCMan FTP Server VERBOSE Command buffer overflow
CVE-2025-4162 7.3 HIGH PCMan FTP Server ASCII Command buffer overflow
CVE-2025-4180 7.3 HIGH PCMan FTP Server TRACE Command buffer overflow
CVE-2025-4181 7.3 HIGH PCMan FTP Server SEND Command buffer overflow
CVE-2025-4183 7.3 HIGH PCMan FTP Server RECV Command buffer overflow
CVE-2025-4182 7.3 HIGH PCMan FTP Server BELL Command buffer overflow
CVE-2025-4184 7.3 HIGH PCMan FTP Server QUOTE Command buffer overflow

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-4159

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