CVE-2019-17509: D-Link Dir-846 Firmware

Critical severity, CVSS 9.8. EPSS: 3.5% chance of exploitation in the next 30 days.

D-Link DIR-846 devices with firmware 100A35 allow remote attackers to execute arbitrary OS commands as root by leveraging admin access and sending a /HNAP1/ request for SetMasterWLanSettings with shell metacharacters to /squashfs-root/www/HNAP1/control/SetMasterWLanSettings.php.

Affected products

• D-Link Dir-846 Firmware: version 100a35 only

Published 2019-10-11. Last modified 2026-06-17.