CVE-2019-17506 Missing authorization in n/a
Unauthenticated attackers can retrieve router credentials and configuration via a specific getcfg.php request, enabling remote control of the device.
- 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-2019-17506?
CVE-2019-17506 is a critical missing authorization vulnerability in n/a, published on 11 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There are some web interfaces without authentication requirements on D-Link DIR-868L B1-2.03 and DIR-817LW A1-1.04 routers. An attacker can get the router's username and password (and other information) via a DEVICE.ACCOUNT value for SERVICES in conjunction with AUTHORIZED_GROUP=1%0a to getcfg.php. This could be used to control the router remotely.
Weakness: CWE-306
Which versions are affected by CVE-2019-17506?
It affects 2 products.
Products include Dlink Dir-817lw A1 Firmware, Dlink Dir-868l B1 Firmware.
How do I fix CVE-2019-17506?
No fix has been published for CVE-2019-17506 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-2019-17506 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-17506 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-r9jg-89wp-76vr.