CVE-2025-4121 Netgear JWNR2000v2 cmd_wireless command injection
Remote attackers can execute arbitrary commands on Netgear JWNR2000v2 routers via the cmd_wireless function due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-4121?
CVE-2025-4121 is a medium-severity command injection vulnerability in Netgear JWNR2000v2, published on 30 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in Netgear JWNR2000v2 1.0.0.11. It has been declared as critical. Affected by this vulnerability is the function cmd_wireless. The manipulation of the argument host leads to command injection. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-4121?
It affects 1 product.
Products include Netgear Jwnr2000v2 Firmware.
How do I fix CVE-2025-4121?
No fix has been published for CVE-2025-4121 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-2025-4121 being exploited?
There is no known exploitation of CVE-2025-4121 in the wild and no public exploit code.
Other vulnerabilities in Netgear JWNR2000v2
Sources
Also known as GHSA-77gw-gg73-wpfg.