CVE-2019-8392 Missing authorization in n/a

High 7.5 Published 17 Feb 2019 Updated 4 Aug 2024

Remote attackers can enable Guest Wi-Fi on D-Link DIR-823G routers by bypassing access controls in the HNAP API.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-8392?

CVE-2019-8392 is a high-severity missing authorization vulnerability in Dlink Dir-823g Firmware, published on 17 Feb 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered on D-Link DIR-823G devices with firmware 1.02B03. There is incorrect access control allowing remote attackers to enable Guest Wi-Fi via the SetWLanRadioSettings HNAP API to the web service provided by /bin/goahead.

Which versions are affected by CVE-2019-8392?

It affects 1 product.

Products include Dlink Dir-823g Firmware.

How do I fix CVE-2019-8392?

No fix has been published for CVE-2019-8392 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-8392 being exploited?

There is no known exploitation of CVE-2019-8392 in the wild and no public exploit code.

All Dlink Dir-823g Firmware vulnerabilities

Sources

Also known as GHSA-4263-fvh8-fmg2.