CVE-2022-47208: NETGEAR Nighthawk AX11000 Firmware

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

The “puhttpsniff” service, which runs by default, is susceptible to command injection due to improperly sanitized user input. An unauthenticated attacker on the same network segment as the router can execute arbitrary commands on the device without authentication.

Affected products

• NETGEAR Nighthawk AX11000 Firmware: before 1.0.9.90 (fixed in 1.0.9.90)
• NETGEAR Nighthawk AX1800 Firmware: before 1.0.9.90 (fixed in 1.0.9.90)
• NETGEAR Nighthawk AX2400 Firmware: before 1.0.9.90 (fixed in 1.0.9.90)
• NETGEAR Nighthawk AX3000 Firmware: before 1.0.9.90 (fixed in 1.0.9.90)
• NETGEAR Nighthawk AX5400 Firmware: before 1.0.9.90 (fixed in 1.0.9.90)
• NETGEAR Nighthawk AX6000 Firmware: before 1.0.9.90 (fixed in 1.0.9.90)

Published 2022-12-16. Last modified 2026-06-17.