CVE-2026-11739 Command injection vulnerability in some NETGEAR Nighthawk devices

Medium 4.9 Published Updated

A network-adjacent attacker can execute arbitrary commands on NETGEAR Nighthawk devices by intercepting and modifying local network traffic.

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-2026-11739?

CVE-2026-11739 is a medium-severity command injection vulnerability in Netgear Rax200 Firmware, published on 11 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A command injection vulnerability in certain affected NETGEAR Nighthawk devices allows a network-adjacent attacker with the ability to intercept and modify local network traffic (attacker in the middle) to compromise the confidentiality and integrity of the affected device.

Weakness: CWE-78

Which versions are affected by CVE-2026-11739?

It affects 27 products.

Products include Netgear Mr60 Firmware, Netgear Mr70 Firmware, Netgear Mr90 Firmware, Netgear Ms60 Firmware, Netgear Ms70 Firmware, Netgear Ms90 Firmware and 21 more.

How do I fix CVE-2026-11739?

No fix has been published for CVE-2026-11739 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-2026-11739 being exploited?

There is no known exploitation of CVE-2026-11739 in the wild and no public exploit code.

All Netgear Rax200 Firmware vulnerabilities

Sources

Also known as GHSA-g2h4-h77j-p83h.

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