Summary
A vulnerability has been found in PCMan FTP Server 2.0.7 and classified as critical. This affects an unknown function of the component RMD Command Handler. Performing a manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2025-4255. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
Details
A vulnerability classified as critical has been found in PCMan FTP Server 2.0.7. This affects an unknown part of the component RMD Command Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.
It is possible to read the advisory at fitoxs.com. This vulnerability is uniquely identified as CVE-2025-4255. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.
The exploit is shared for download 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.
The vulnerability is also documented in the vulnerability database at Exploit-DB (52326). Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 6.9
VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Exploit-DB: 🔒
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
05/04/2025 Advisory disclosed05/04/2025 VulDB entry created
06/26/2025 VulDB entry last update
Sources
Advisory: fitoxs.comStatus: Not defined
CVE: CVE-2025-4255 (🔒)
GCVE (CVE): GCVE-0-2025-4255
GCVE (VulDB): GCVE-100-307359
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 05/04/2025 08:59Updated: 06/26/2025 15:09
Changes: 05/04/2025 08:59 (55), 05/05/2025 05:49 (30), 05/05/2025 13:21 (1), 06/26/2025 15:09 (1)
Complete: 🔍
Submitter: Fernando Mengali
Cache ID: 216::103
Submit
Accepted
- Submit #561623: PCMan FTP Server 2.0.7 Buffer Overflow (by Fernando Mengali)
Be aware that VulDB is the high quality source for vulnerability data.
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