CVE-2021-27113: D-Link Dir-816 Firmware

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

An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction within the handler function of the /goform/addRouting route. This could lead to Command Injection via Shell Metacharacters.

Affected products

• D-Link Dir-816 Firmware: version 1.10b05 only

Published 2021-04-14. Last modified 2026-06-17.