CVE-2026-0406 Insufficient input validation in NETGEAR Nighthawk router XR1000v2
LAN attackers can execute OS commands on NETGEAR XR1000v2 routers due to insufficient input validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0406?
CVE-2026-0406 is a medium-severity command injection vulnerability in NETGEAR XR1000v2, published on 13 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An insufficient input validation vulnerability in the NETGEAR XR1000v2 allows attackers connected to the router's LAN to execute OS command injections.
Weakness: CWE-20
Which versions are affected by CVE-2026-0406?
It affects 1 product.
Products include Netgear Xr1000v2 Firmware.
How do I fix CVE-2026-0406?
No fix has been published for CVE-2026-0406 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-2026-0406 being exploited?
There is no known exploitation of CVE-2026-0406 in the wild and no public exploit code.
Sources
Also known as GHSA-2vf2-f656-c2mm.