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CVE-2022-27645

High

Description

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.

SeverityHigh
CVSS8.8
Exploit probability—
ProductNetgear R6700 Firmware
PublishedMar 29, 2023
First seenMar 29, 2023
Weakness typeCWE-306Missing authentication for critical function

How to fix

Update
  • netgear r6700_firmware1.0.4.126 or later
  • netgear lax20_firmware1.1.6.34 or later
  • netgear r6400_firmware1.0.4.126 or later
  • netgear r7000_firmware1.0.11.134 or later
  • netgear r7850_firmware1.0.5.84 or later
  • netgear r7900p_firmware1.4.3.88 or later
  • netgear r7960p_firmware1.4.3.88 or later
  • netgear r8000_firmware1.0.4.84 or later
  • netgear r8000p_firmware1.4.3.88 or later
  • netgear r8500_firmware1.0.2.158 or later
  • netgear rax15_firmware1.0.10.110 or later
  • netgear rax20_firmware1.0.10.110 or later

Affected products

ProductAffected versionsFixed in
netgear r6700_firmwarev < 1.0.4.1261.0.4.126
netgear lax20_firmwarev < 1.1.6.341.1.6.34
netgear r6400_firmwarev < 1.0.4.1261.0.4.126
netgear r7000_firmwarev < 1.0.11.1341.0.11.134
netgear r7850_firmwarev < 1.0.5.841.0.5.84
netgear r7900p_firmwarev < 1.4.3.881.4.3.88
netgear r7960p_firmwarev < 1.4.3.881.4.3.88
netgear r8000_firmwarev < 1.0.4.841.0.4.84
netgear r8000p_firmwarev < 1.4.3.881.4.3.88
netgear r8500_firmwarev < 1.0.2.1581.0.2.158
netgear rax15_firmwarev < 1.0.10.1101.0.10.110
netgear rax20_firmwarev < 1.0.10.1101.0.10.110
netgear rax200_firmwarev < 1.0.6.1381.0.6.138
netgear rax35_firmwarev < 1.0.10.1101.0.10.110
netgear rax38_firmwarev < 1.0.10.1101.0.10.110
netgear rax40_firmwarev < 1.0.10.1101.0.10.110
netgear rax42_firmwarev < 1.0.10.1101.0.10.110
netgear rax43_firmwarev < 1.0.10.1101.0.10.110
netgear rax45_firmwarev < 1.0.10.1101.0.10.110
netgear rax48_firmwarev < 1.0.10.1101.0.10.110
netgear rax50_firmwarev < 1.0.10.1101.0.10.110
netgear rax50s_firmwarev < 1.0.10.1101.0.10.110
netgear rax75_firmwarev < 1.0.6.1381.0.6.138

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