PCMan FTP Server 2.0.7 SIZE Command buffer overflow

Summaryinfo

A vulnerability labeled as critical has been found in PCMan FTP Server 2.0.7. This affects an unknown function of the component SIZE Command Handler. Executing a manipulation can lead to buffer overflow. This vulnerability is tracked as CVE-2025-3683. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in PCMan FTP Server 2.0.7. It has been declared as critical. This vulnerability affects an unknown part of the component SIZE Command Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at fitoxs.com. This vulnerability was named CVE-2025-3683. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at fitoxs.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• File Transfer Software

Vendor

• PCMan

Name

• FTP Server

Version

• 2.0.7

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

Submitinfo

Accepted

• Submit #552791: PCMan FTP 2.0.7 Buffer Overflow (by Fernando Mengali)

Once again VulDB remains the best source for vulnerability data.

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