CVE-2022-44808: D-Link Dir-823g Firmware

Critical severity, CVSS 9.8. EPSS: 3.8% chance of exploitation in the next 30 days.

A command injection vulnerability has been found on D-Link DIR-823G devices with firmware version 1.02B03 that allows an attacker to execute arbitrary operating system commands through well-designed /HNAP1 requests. Before the HNAP API function can process the request, the system function executes an untrusted command that triggers the vulnerability.

Affected products

• D-Link Dir-823g Firmware: version 1.02b03 only

Published 2022-11-22. Last modified 2026-06-17.