CVE-2021-45540 Command injection in n/a
Authenticated attackers can execute arbitrary commands on vulnerable NETGEAR routers via command injection flaws.
- 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-2021-45540?
CVE-2021-45540 is a high-severity command injection vulnerability in Netgear R7000 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 command injection by an authenticated user. This affects R7000 before 1.0.11.126, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.3.106, MR60 before 1.0.6.110, RAX45 before 1.0.2.66, RAX80 before 1.0.3.106, MS60 before 1.0.6.110, RAX50 before 1.0.2.66, and RAX75 before 1.0.3.106.
Weakness: CWE-77
Which versions are affected by CVE-2021-45540?
It affects 13 products.
Products include Netgear Mr60 Firmware, Netgear Ms60 Firmware, Netgear R7000 Firmware, Netgear R7900 Firmware, Netgear R7900p Firmware, Netgear R7960p Firmware and 7 more.
How do I fix CVE-2021-45540?
No fix has been published for CVE-2021-45540 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-45540 being exploited?
There is no known exploitation of CVE-2021-45540 in the wild and no public exploit code.
Other vulnerabilities in Netgear R7000 Firmware
Sources
Also known as GHSA-rm76-p4wj-5868.