high
8.8
CWE
787 119
Advisory Published
Updated

CVE-2021-45605: Buffer Overflow

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6400 before 1.0.1.68, R7000 before 1.0.11.116, R6900P before 1.3.3.140, R7000P before 1.3.3.140, R7900 before 1.0.4.38, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, and XR300 before 1.0.3.50.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear R6400 Firmware<1.0.1.68
NETGEAR R6400
Netgear R7000 Firmware<1.0.11.116
NETGEAR R7000
Netgear R6900p Firmware<1.3.3.140
Netgear R6900P
Netgear R7000p Firmware<1.3.3.140
Netgear R7000P
Netgear R7900 Firmware<1.0.4.38
Netgear R7900
Netgear Rax75 Firmware<1.0.3.102
Netgear Rax75
Netgear Rax80 Firmware<1.0.3.102
Netgear Rax80
Netgear Xr300 Firmware<1.0.3.50
Netgear XR300
All of
Netgear R6400 Firmware<1.0.1.68
NETGEAR R6400
All of
Netgear R7000 Firmware<1.0.11.116
NETGEAR R7000
All of
Netgear R6900p Firmware<1.3.3.140
Netgear R6900P
All of
Netgear R7000p Firmware<1.3.3.140
Netgear R7000P
All of
Netgear R7900 Firmware<1.0.4.38
Netgear R7900
All of
Netgear Rax75 Firmware<1.0.3.102
Netgear Rax75
All of
Netgear Rax80 Firmware<1.0.3.102
Netgear Rax80
All of
Netgear Xr300 Firmware<1.0.3.50
Netgear XR300

Remedy

https://kb.netgear.com/000064072/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0214

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-45605?

    CVE-2021-45605 is a vulnerability that affects certain NETGEAR devices and allows an authenticated user to perform a stack-based buffer overflow.

  • Which NETGEAR devices are affected by CVE-2021-45605?

    NETGEAR devices R6400, R7000, R6900P, R7000P, R7900, RAX75, RAX80, and XR300 are affected by CVE-2021-45605.

  • What is the severity of CVE-2021-45605?

    CVE-2021-45605 has a severity rating of 8.8 (high).

  • How can an authenticated user exploit CVE-2021-45605?

    An authenticated user can exploit CVE-2021-45605 by performing a stack-based buffer overflow.

  • How can I fix CVE-2021-45605?

    To fix CVE-2021-45605, update your NETGEAR device firmware to the latest version provided by NETGEAR.

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