CVE-2022-27645: NETGEAR LAX20 Firmware

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R6700v3 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within readycloud_control.cgi. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15762.

Affected products

• NETGEAR LAX20 Firmware: before 1.1.6.34 (fixed in 1.1.6.34)
• NETGEAR r6400 Firmware: before 1.0.4.126 (fixed in 1.0.4.126)
• NETGEAR r6700 Firmware: before 1.0.4.126 (fixed in 1.0.4.126)
• NETGEAR r7000 Firmware: before 1.0.11.134 (fixed in 1.0.11.134)
• NETGEAR r7850 Firmware: before 1.0.5.84 (fixed in 1.0.5.84)
• NETGEAR r7900p Firmware: before 1.4.3.88 (fixed in 1.4.3.88)
• NETGEAR r7960p Firmware: before 1.4.3.88 (fixed in 1.4.3.88)
• NETGEAR r8000 Firmware: before 1.0.4.84 (fixed in 1.0.4.84)
• NETGEAR r8000p Firmware: before 1.4.3.88 (fixed in 1.4.3.88)
• NETGEAR r8500 Firmware: before 1.0.2.158 (fixed in 1.0.2.158)
• NETGEAR RAX15 Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX200 Firmware: before 1.0.6.138 (fixed in 1.0.6.138)
• NETGEAR RAX20 Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX35 Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX38 Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX40 Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX42 Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX43 Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX45 Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX48 Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX50 Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX50S Firmware: before 1.0.10.110 (fixed in 1.0.10.110)
• NETGEAR RAX75 Firmware: before 1.0.6.138 (fixed in 1.0.6.138)

Published 2023-03-29. Last modified 2026-06-17.