CVE-2018-21157 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-2018-21157?
CVE-2018-21157 is a medium-severity command injection vulnerability in Netgear D7800 Firmware, published on 27 Apr 2020. 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 D7800 before 1.0.1.28, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R7000 before 1.0.9.28, R7500v2 before 1.0.3.24, R7800 before 1.0.2.38, R9000 before 1.0.2.52, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.
Weakness: CWE-78
Which versions are affected by CVE-2018-21157?
It affects 9 products.
Products include Netgear D7800 Firmware, Netgear R6700 Firmware, Netgear R6900 Firmware, Netgear R7000 Firmware, Netgear R7500 Firmware, Netgear R7800 Firmware and 3 more.
How do I fix CVE-2018-21157?
No fix has been published for CVE-2018-21157 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-2018-21157 being exploited?
There is no known exploitation of CVE-2018-21157 in the wild and no public exploit code.
Other vulnerabilities in Netgear D7800 Firmware
Sources
Also known as GHSA-vpqx-6c92-58xv.