CVE-2021-34977 Auth bypass in R7000
Network-adjacent attackers can bypass authentication to reset the admin password on NETGEAR R7000 routers via SOAP 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-2021-34977?
CVE-2021-34977 is a high-severity authentication bypass vulnerability in Netgear R7000 Firmware, published on 13 Jan 2022. 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 NETGEAR R7000 1.0.11.116_10.2.100 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SOAP requests. The issue results from the lack of proper authentication verification before performing a password reset. An attacker can leverage this vulnerability to reset the admin password. Was ZDI-CAN-13483.
Which versions are affected by CVE-2021-34977?
It affects 1 product.
Products include Netgear R7000 Firmware.
How do I fix CVE-2021-34977?
No fix has been published for CVE-2021-34977 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-2021-34977 being exploited?
There is no known exploitation of CVE-2021-34977 in the wild and no public exploit code.
Other vulnerabilities in Netgear R7000 Firmware
Sources
Also known as GHSA-6r85-9phq-3c46.