CVE-2014-3936: Stack-based buffer overflow in the do_hnap function in www/my_cgi.cgi in D-Link DSP-W215 (Rev.

Security readout for executives and security teams

This flaw lets a remote attacker crash or potentially take over specific older D-Link smart plug and router models by sending an oversized HNAP request. It affects DSP-W215 Rev. A1, DIR-505, and DIR-505L firmware versions listed in the CVE. Treat exposed devices as high-risk legacy infrastructure. Exposure is most likely in environments still running legacy D-Link DSP-W215 Rev. A1, DIR-505, or DIR-505L devices, especially where the device web or HNAP interface is reachable from untrusted networks. Prioritize remediation if these devices exist on business networks or internet-facing segments. The business issue is not only device compromise; attackers may use embedded devices as footholds into trusted networks. Mitigation focus: Inventory affected D-Link models and firmware versions.; Apply D-Link firmware guidance from SAP10027 and SAP10029.; Remove affected devices from internet-facing exposure..

Prepared

Jun 14, 2026, 14:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.