CVE-2021-20168 Hardcoded credentials in Netgear RAX43
Attackers with physical access can use default admin credentials on the UART interface to execute commands as root on Netgear RAX43 routers.
- 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-2021-20168?
CVE-2021-20168 is a medium-severity vulnerability in Netgear RAX43, published on 30 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Netgear RAX43 version 1.0.3.96 does not have sufficient protections to the UART interface. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection, login with default credentials, and execute commands as the root user. These default credentials are admin:admin.
Weakness: CWE-287
Which versions are affected by CVE-2021-20168?
It affects 1 product.
Products include Netgear Rax43 Firmware.
How do I fix CVE-2021-20168?
No fix has been published for CVE-2021-20168 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-20168 being exploited?
There is no known exploitation of CVE-2021-20168 in the wild and no public exploit code.
Other vulnerabilities in Netgear RAX43
Sources
Also known as GHSA-xvmx-9r4c-crmv.