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CVE-2025-4255· NVD / CVE Program· CNA VulDB

PCMan FTP Server RMD Command buffer overflow

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 leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

MediumCVSS 6.9 · v4.0—Proof of concept No fix recorded
Published
May 4, 2025
Updated
Jun 17, 2026
EPSS
2.0% · 80th percentile
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Report tools

JSON

Action score

28

Monitor

Low priority for now.

CVSS
27 / 40 · 6.9 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.0%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · VulDB
6.9
NVD has not scored this yet; the score shown is the CNA’s.

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
pcmanftp server

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • pcman ftp server2.0.7

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

  • PCMan FTP Server

    • 2.0.7affected

Same product

pcman: all records

Other highest-scoring records for the same primary product.

  • CVE-2013-4730Buffer overflow in PCMan's FTP Server 2.0.7 allows remote attackers to execute arbitrary code via a long string in a USER command.
    60This week
  • CVE-2015-7601Directory traversal vulnerability in PCMan's FTP Server 2.0.7 allows remote attackers to read arbitrary files via a ..// (dot dot double sla
    49Plan
  • CVE-2018-18861Buffer overflow in PCMan FTP Server 2.0.7 allows for remote code execution via the APPE command.
    40Plan
  • CVE-2024-58299PCMan FTP Server 2.0 Remote Buffer Overflow via 'pwd' Command
    37Monitor
  • CVE-2024-0732PCMan FTP Server STOR Command denial of service
    30Monitor
  • CVE-2024-0731PCMan FTP Server PUT Command denial of service
    30Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1
  • Proof-of-concept repository on GitHub ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote2025-06-15
Proof-of-concept repository on GitHubstars:02026-09-05

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. First PoC+41 d
  3. TodaySep 30, 2026+514 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-42510 days apartPCMan FTP Server RMDIR Command buffer overflow
    27Monitor
  • CVE-2025-42520 days apartPCMan FTP Server APPEND Command buffer overflow
    27Monitor
  • CVE-2025-42530 days apartPCMan FTP Server HASH Command buffer overflow
    27Monitor
  • CVE-2025-42540 days apartPCMan FTP Server LIST Command buffer overflow
    27Monitor
  • CVE-2025-42381 days apartPCMan FTP Server MGET Command buffer overflow
    27Monitor
  • CVE-2025-42901 days apartPCMan FTP Server SMNT Command buffer overflow
    27Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
X

Weakness class (CWE)

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records