Which versions of Ftp Server are affected by CVE-2025-4158?

Organizations using PCMan FTP Server should be aware of notable risk from CVE-2025-4158, a buffer overflow vulnerability rated CVSS 6.9.

Is there a public PoC exploit available for CVE-2025-4158?

Yes, a public proof-of-concept exploit is available for CVE-2025-4158. Prioritise patching immediately. EPSS: 0.5%.

How to fix or mitigate CVE-2025-4158?

Within 30 days: Identify affected systems running PCMan FTP Server and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Ftp Server CVE-2025-4158

Q: What is the CVSS score of CVE-2025-4158?

CVE-2025-4158 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.5%.

MEDIUM

Buffer Overflow (CWE-119)

2025-05-01 cna@vuldb.com

Buffer Overflow Ftp Server

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:39 vuln.today

PoC Detected

Jun 24, 2025 - 15:47 vuln.today

Public exploit code

CVE Published

May 01, 2025 - 09:15 nvd

MEDIUM 6.9

DescriptionCVE.org

A vulnerability was found in PCMan FTP Server up to 2.0.7. It has been classified as critical. Affected is an unknown function of the component PROMPT 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.

AnalysisAI

A vulnerability was found in PCMan FTP Server up to 2.0.7. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. A vulnerability was found in PCMan FTP Server up to 2.0.7. It has been classified as critical. Affected is an unknown function of the component PROMPT 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. Affected products include: Pcman Ftp Server. Version information: up to 2.0.7..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

CVE-2025-4158 vulnerability details – vuln.today

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