CVE-2021-45623 Command injection in n/a
Unauthenticated attackers can execute arbitrary commands on NETGEAR routers via command injection vulnerabilities.
- 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-2021-45623?
CVE-2021-45623 is a high-severity command injection vulnerability in Netgear R7800 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 unauthenticated attacker. This affects R7800 before 1.0.2.74, R9000 before 1.0.5.2, and XR500 before 2.3.2.66.
Weakness: CWE-77
Which versions are affected by CVE-2021-45623?
It affects 3 products.
Products include Netgear R7800 Firmware, Netgear R9000 Firmware, Netgear Xr500 Firmware.
How do I fix CVE-2021-45623?
No fix has been published for CVE-2021-45623 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-2021-45623 being exploited?
There is no known exploitation of CVE-2021-45623 in the wild and no public exploit code.
Other vulnerabilities in Netgear R7800 Firmware
Sources
Also known as GHSA-7vrx-cj52-fjp6.