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CVE-2022-27644

High

Description

This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information 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 downloading of files via HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-15797.

SeverityHigh
CVSS8.8
Exploit probability—
ProductNetgear R6700 Firmware
PublishedMar 29, 2023
First seenMar 29, 2023
Weakness typeCWE-295CWE-295

How to fix

Update
  • netgear r6700_firmware1.0.4.126 or later
  • netgear r6400_firmware1.0.4.126 or later
  • netgear r6900p_firmware1.3.3.148 or later
  • netgear r7000_firmware1.0.11.134 or later
  • netgear r7000p_firmware1.3.3.148 or later
  • netgear r7850_firmware1.0.5.84 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 rax200_firmware1.0.6.138 or later
  • netgear rax75_firmware1.0.6.138 or later
  • netgear rax80_firmware1.0.6.138 or later

Affected products

ProductAffected versionsFixed in
netgear r6700_firmwarev < 1.0.4.1261.0.4.126
netgear r6400_firmwarev < 1.0.4.1261.0.4.126
netgear r6900p_firmwarev < 1.3.3.1481.3.3.148
netgear r7000_firmwarev < 1.0.11.1341.0.11.134
netgear r7000p_firmwarev < 1.3.3.1481.3.3.148
netgear r7850_firmwarev < 1.0.5.841.0.5.84
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 rax200_firmwarev < 1.0.6.1381.0.6.138
netgear rax75_firmwarev < 1.0.6.1381.0.6.138
netgear rax80_firmwarev < 1.0.6.1381.0.6.138
netgear rs400_firmwarev < 1.5.1.861.5.1.86
netgear cbr40_firmwarev < 2.5.0.282.5.0.28
netgear lbr1020_firmwarev < 2.7.4.22.7.4.2
netgear lbr20_firmwarev < 2.7.4.22.7.4.2
netgear rbr10_firmwarev < 2.7.4.242.7.4.24
netgear rbr20_firmwarev < 2.7.4.242.7.4.24
netgear rbr40_firmwarev < 2.7.4.242.7.4.24
netgear rbr50_firmwarev < 2.7.4.242.7.4.24
netgear rbs10_firmwarev < 2.7.4.242.7.4.24
netgear rbs20_firmwarev < 2.7.4.242.7.4.24
netgear rbs40_firmwarev < 2.7.4.242.7.4.24
netgear rbs50_firmwarev < 2.7.4.242.7.4.24

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