high
8.8
CWE
295
Advisory Published
Updated
Advisory Published

CVE-2022-27644: (Pwn2Own) NETGEAR R6700v3 Improper Certificate Validation Vulnerability

First published: Wed Mar 29 2023(Updated: )

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.

Credit: zdi-disclosures@trendmicro.com

Affected SoftwareAffected VersionHow to fix
Netgear R6400 Firmware<1.0.4.126
NETGEAR R6400=v2
Netgear R6700 Firmware<1.0.4.126
NETGEAR R6700=v3
Netgear R6900p Firmware<1.3.3.148
Netgear R6900P
Netgear R7000 Firmware<1.0.11.134
NETGEAR R7000
Netgear R7000p Firmware<1.3.3.148
Netgear R7000P
Netgear R7850 Firmware<1.0.5.84
NETGEAR R6400v2
Netgear R7960p Firmware<1.4.3.88
Netgear R7960p
Netgear R8000 Firmware<1.0.4.84
NETGEAR R8000
Netgear R8000p Firmware<1.4.3.88
Netgear R8000p
Netgear Rax200 Firmware<1.0.6.138
NETGEAR RAX200
Netgear Rax75 Firmware<1.0.6.138
Netgear Rax75
Netgear Rax80 Firmware<1.0.6.138
Netgear Rax80
Netgear Rs400 Firmware<1.5.1.86
Netgear Rs400
Netgear Cbr40 Firmware<2.5.0.28
Netgear Cbr40
Netgear Lbr1020 Firmware<2.7.4.2
Netgear Lbr1020
Netgear Lbr20 Firmware<2.7.4.2
Netgear Lbr20
Netgear Rbr10 Firmware<2.7.4.24
Netgear Rbr10
Netgear Rbr20 Firmware<2.7.4.24
Netgear Rbr20
Netgear Rbr40 Firmware<2.7.4.24
Netgear Rbr40
Netgear Rbr50 Firmware<2.7.4.24
Netgear Rbr50
Netgear Rbs10 Firmware<2.7.4.24
Netgear Rbs10
Netgear Rbs20 Firmware<2.7.4.24
Netgear Rbs20
Netgear Rbs40 Firmware<2.7.4.24
Netgear Rbs40
Netgear Rbs50 Firmware<2.7.4.24
Netgear Rbs50
NETGEAR R6700v3

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-27644?

    CVE-2022-27644 is a vulnerability that allows network-adjacent attackers to compromise the integrity of downloaded information on NETGEAR R6700v3 routers.

  • How severe is CVE-2022-27644?

    CVE-2022-27644 has a severity score of 8.8 out of 10.

  • How can an attacker exploit CVE-2022-27644?

    Authentication is not required to exploit CVE-2022-27644, and the attacker can compromise the integrity of downloaded information.

  • Which software versions are affected by CVE-2022-27644?

    Affected installations include NETGEAR R6700v3 1.0.4.120_10.0.91 routers.

  • Is authentication required to exploit CVE-2022-27644?

    No, authentication is not required to exploit CVE-2022-27644.

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