high
8.8
CWE
120 119
Advisory Published
Updated

CVE-2021-45530: Buffer Overflow

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.4.120, R7900P before 1.4.2.84, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.4.120.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear R7000 Firmware<1.0.11.126
NETGEAR R7000
Netgear R7000p Firmware<1.4.2.84
Netgear R7000P
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 Rax20 Firmware<1.0.2.82
Netgear Rax20
Netgear Rax200 Firmware<1.0.4.120
NETGEAR RAX200
Netgear Rax45 Firmware<1.0.2.82
Netgear Rax45
Netgear Rax15 Firmware<1.0.2.82
Netgear Rax15
Netgear Rax75 Firmware<1.0.4.120
Netgear Rax75
Netgear Rax80 Firmware<1.0.4.120
Netgear Rax80
Netgear Rax50 Firmware<1.0.2.82
Netgear Rax50

Remedy

https://kb.netgear.com/000064486/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0320

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-45530?

    CVE-2021-45530 is a vulnerability that affects certain NETGEAR devices and allows an authenticated user to perform a buffer overflow.

  • Which NETGEAR devices are affected by CVE-2021-45530?

    CVE-2021-45530 affects R7000, R7960P, R8000, RAX200, R8000P, RAX20, RAX45, RAX80, and R7900P devices.

  • What is the severity of CVE-2021-45530?

    CVE-2021-45530 has a severity rating of 8.8 (High).

  • How can an authenticated user exploit CVE-2021-45530?

    An authenticated user can exploit CVE-2021-45530 by performing a buffer overflow attack.

  • Is there a fix available for CVE-2021-45530?

    Yes, a fix is available for CVE-2021-45530. It is recommended to update the firmware of the affected NETGEAR devices to the latest version.

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