CVE-2019-10039 Auth bypass in n/a

Critical 9.8 Published 25 Mar 2019 Updated 4 Aug 2024

An attacker can bypass authentication on D-Link DIR-816 routers by extracting a token to modify system accounts via the goform 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-2019-10039?

CVE-2019-10039 is a critical authentication bypass vulnerability in Dlink Dir-816 Firmware, published on 25 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 an API URL /goform/setSysAdm to edit the web or system account without authentication.

Weakness: CWE-306

Which versions are affected by CVE-2019-10039?

It affects 1 product.

Products include Dlink Dir-816 Firmware.

How do I fix CVE-2019-10039?

No fix has been published for CVE-2019-10039 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2019-10039 being exploited?

There is no known exploitation of CVE-2019-10039 in the wild and no public exploit code.

All Dlink Dir-816 Firmware vulnerabilities

Sources

Also known as GHSA-g7h4-grvv-67xc.