high
8.8
CWE
787 119
Advisory Published
Updated

CVE-2021-45606: 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 1.0.1.70, R7000 before 1.0.11.126, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.4.120, RS400 before 1.5.1.80, R6400v2 before 1.0.4.118, R7000P before 1.3.3.140, RAX80 before 1.0.4.120, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, and RAX75 before 1.0.4.120.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear R6400 Firmware<1.0.1.70
NETGEAR R6400
Netgear R7000 Firmware<1.0.11.126
NETGEAR R7000
Netgear R7900 Firmware<1.0.4.46
Netgear R7900
Netgear R7900p Firmware<1.4.2.84
Netgear R7900p
Netgear R7960p Firmware<1.4.2.84
Netgear R7960p
Netgear R8000 Firmware<1.0.4.74
NETGEAR R8000
Netgear R8000p Firmware<1.4.2.84
Netgear R8000p
Netgear R7000p Firmware<1.3.3.140
Netgear R7000P
Netgear R6900p Firmware<1.3.3.140
Netgear R6900P
Netgear R6700v3 Firmware<1.0.4.118
NETGEAR R6700v3
Netgear R6400v2 Firmware<1.0.4.118
NETGEAR R6400v2
Netgear Rax200 Firmware<1.0.4.120
NETGEAR RAX200
Netgear Rax80 Firmware<1.0.4.120
Netgear Rax80
Netgear Rax75 Firmware<1.0.4.120
Netgear Rax75
Netgear Rs400 Firmware<1.5.1.80
Netgear Rs400

Remedy

https://kb.netgear.com/000064498/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0499

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-45606?

    CVE-2021-45606 is a stack-based buffer overflow vulnerability affecting certain NETGEAR devices.

  • Which NETGEAR devices are affected by CVE-2021-45606?

    The NETGEAR devices affected by CVE-2021-45606 include R6400, R7000, R7900, R7900P, R7960P, R8000, R8000P, RAX200, and other models.

  • What is the severity of CVE-2021-45606?

    CVE-2021-45606 has a severity score of 8.8 (high).

  • How does CVE-2021-45606 work?

    CVE-2021-45606 allows an authenticated user to execute malicious code by exploiting a stack-based buffer overflow vulnerability.

  • Is there a fix for CVE-2021-45606?

    Yes, NETGEAR has released firmware updates to address the CVE-2021-45606 vulnerability. Please refer to the official NETGEAR security advisory for more information.

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