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CVE-2022-27641

High

Description

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the NetUSB module. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15806.

SeverityHigh
CVSS8.8
Exploit probability—
ProductNetgear R6700 Firmware
PublishedMar 29, 2023
First seenMar 29, 2023
Weakness typeCWE-190Integer overflow

How to fix

Update
  • netgear r6700_firmware1.0.4.122 or later
  • netgear d7800_firmware1.0.1.68 or later
  • netgear ex6200_firmware1.0.1.90 or later
  • netgear ex8000_firmware1.0.1.240 or later
  • netgear r6220_firmware1.1.0.112 or later
  • netgear r6230_firmware1.1.0.112 or later
  • netgear r6400_firmware1.0.4.122 or later
  • netgear r7000_firmware1.0.11.130 or later
  • netgear r7800_firmware1.0.2.90 or later

Affected products

ProductAffected versionsFixed in
netgear r6700_firmwarev < 1.0.4.1221.0.4.122
netgear d7800_firmwarev < 1.0.1.681.0.1.68
netgear ex6200_firmwarev < 1.0.1.901.0.1.90
netgear ex8000_firmwarev < 1.0.1.2401.0.1.240
netgear r6220_firmwarev < 1.1.0.1121.1.0.112
netgear r6230_firmwarev < 1.1.0.1121.1.0.112
netgear r6400_firmwarev < 1.0.4.1221.0.4.122
netgear r7000_firmwarev < 1.0.11.1301.0.11.130
netgear r7800_firmwarev < 1.0.2.901.0.2.90

Check your version

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