CVE-2026-0404 Insufficient input validation in NETGEAR Orbi routers
Network-adjacent attackers can execute OS commands on NETGEAR Orbi routers via DHCPv6 if enabled, requiring a patch.
- 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-2026-0404?
CVE-2026-0404 is a medium-severity command injection vulnerability in Netgear Rbr750 Firmware, 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 NETGEAR Orbi devices' DHCPv6 functionality allows network adjacent attackers authenticated over WiFi or on LAN to execute OS command injections on the router. DHCPv6 is not enabled by default.
Weakness: CWE-20
Which versions are affected by CVE-2026-0404?
It affects 12 products.
Products include Netgear Rbr750 Firmware, Netgear Rbr840 Firmware, Netgear Rbr850 Firmware, Netgear Rbr860 Firmware, Netgear Rbre950 Firmware, Netgear Rbre960 Firmware and 6 more.
How do I fix CVE-2026-0404?
No fix has been published for CVE-2026-0404 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-2026-0404 being exploited?
There is no known exploitation of CVE-2026-0404 in the wild and no public exploit code.
Other vulnerabilities in Netgear Rbr750 Firmware
Sources
Also known as GHSA-jvf4-gm9f-33g9.