CVE-2019-10040: D-Link Dir-816 Firmware

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

The D-Link DIR-816 A2 1.11 router only checks the random token when authorizing a goform request. An attacker can get this token from dir_login.asp and use a hidden API URL /goform/SystemCommand to execute a system command without authentication.

Affected products

• D-Link Dir-816 Firmware: version 1.11 only

Published 2019-03-25. Last modified 2026-06-17.