CVE-2014-3936

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.

CVSS v2.0 NVD

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

76.55% chance of exploitation in the next 30 days, 100th percentile

Published

2014-06-02

Updated

2024-08-06

Proof-of-concept exploits (1)

• Walnut1337/DIR-505_backdoor

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/dlink_hnap_bof.rb

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/34064

Security advisories

• http://securityadvisories.dlink.com/security/publication.aspx?name=SAP10027
• http://securityadvisories.dlink.com/security/publication.aspx?name=SAP10029
• http://www.securityfocus.com/bid/67651

References

• CVE Record
• NVD entry

Related

• CVE-2015-2051
• CVE-2016-5681
• CVE-2026-110536
• CVE-2026-94089