CVE-2014-3936: D-Link Dir-505l Shareport Mobile Companion

High severity, CVSS 10.0. EPSS: 76.6% chance of exploitation in the next 30 days.

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.

Affected products

• D-Link Dir-505l Shareport Mobile Companion
• D-Link DIR505 Shareport Mobile Companion
• D-Link DIR505 Shareport Mobile Companion Firmware: up to and including 1.07
• D-Link DIR505L Shareport Mobile Companion Firmware: up to and including 1.01
• D-Link Dsp-w215
• D-Link Dsp-w215 Firmware: up to and including 1.01

Published 2014-06-02. Last modified 2026-06-17.