CVE-2020-15632 Auth bypass in DIR-842
Network-adjacent attackers can bypass authentication on D-Link DIR-842 routers to execute arbitrary code via HNAP requests.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-15632?
CVE-2020-15632 is a high-severity authentication bypass vulnerability in D-Link DIR-842, published on 23 Jul 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-842 3.13B05 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of HNAP GetCAPTCHAsetting requests. The issue results from the lack of proper handling of sessions. An attacker can leverage this vulnerability to execute arbitrary code in the context of the device. Was ZDI-CAN-10083.
Weakness: CWE-303
Which versions are affected by CVE-2020-15632?
It affects 1 product.
Products include Dlink Dir-842 Firmware.
How do I fix CVE-2020-15632?
No fix has been published for CVE-2020-15632 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-2020-15632 being exploited?
There is no known exploitation of CVE-2020-15632 in the wild and no public exploit code.
Other vulnerabilities in D-Link DIR-842
Sources
Also known as GHSA-f2jh-cwgj-5mqc.