CVE-2021-45516 Denial of service in n/a
Attackers can cause a denial of service on specific NETGEAR routers and mesh systems, requiring firmware updates to mitigate.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-45516?
CVE-2021-45516 is a medium-severity denial of service vulnerability in Netgear R6400 Firmware, published on 26 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Certain NETGEAR devices are affected by denial of service. This affects R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, R8000 before 1.0.4.74, RBK852 before 3.2.10.11, RBR850 before 3.2.10.11, and RBS850 before 3.2.10.11.
Which versions are affected by CVE-2021-45516?
It affects 8 products.
Products include Netgear R6400 Firmware, Netgear R6900p Firmware, Netgear R7000 Firmware, Netgear R7000p Firmware, Netgear R8000 Firmware, Netgear Rbk852 Firmware and 2 more.
How do I fix CVE-2021-45516?
No fix has been published for CVE-2021-45516 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-45516 being exploited?
There is no known exploitation of CVE-2021-45516 in the wild and no public exploit code.
Other vulnerabilities in Netgear R6400 Firmware
Sources
Also known as GHSA-ww8f-mqhh-q395.