CVE-2019-7390: D-Link Dir-823g Firmware

High severity, CVSS 8.6. EPSS: 2% chance of exploitation in the next 30 days.

An issue was discovered in /bin/goahead on D-Link DIR-823G devices with firmware 1.02B03. There is incorrect access control allowing remote attackers to hijack the DNS service configuration of all clients in the WLAN, without authentication, via the SetWanSettings HNAP API.

Affected products

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

Published 2019-02-05. Last modified 2026-06-17.