high
8.1
CWE
120 119
Advisory Published
Updated

CVE-2021-45528: Buffer Overflow

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R6900 before 1.0.2.8, R7000 before 1.0.9.88, R7900 before 1.0.3.18, R8000 before 1.0.4.46, R7900P before 1.4.1.50, R8000P before 1.4.1.50, RAX75 before 1.0.3.88, RAX80 before 1.0.3.88, and WNR3500Lv2 before 1.2.0.62.

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

Affected SoftwareAffected VersionHow to fix
Netgear R6300v2<=1.0.4.52
Netgear R6300v2
NETGEAR R6400 firmware<1.0.1.52
NETGEAR R6400 firmware
Netgear R6900 Firmware<1.0.2.8
Netgear R6900 Firmware
Netgear Nighthawk R7000 Firmware<1.0.9.88
NETGEAR Nighthawk R7000
NETGEAR R7900P firmware<1.0.3.18
NETGEAR R7900P firmware
NETGEAR R7900P firmware<1.4.1.50
NETGEAR R7900P firmware
NETGEAR R8000 firmware<1.0.4.46
NETGEAR R8000 firmware
NETGEAR R8000P<1.4.1.50
NETGEAR R8000P firmware
NETGEAR RAX75 firmware<1.0.3.88
NETGEAR RAX75 firmware
NETGEAR RAX80 Firmware<1.0.3.88
NETGEAR RAX80 firmware
NETGEAR WNR3500Lv2<1.2.0.62
NETGEAR WNR3500Lv2 firmware
All of
Netgear R6300v2<=1.0.4.52
Netgear R6300v2
All of
NETGEAR R6400 firmware<1.0.1.52
NETGEAR R6400 firmware
All of
Netgear R6900 Firmware<1.0.2.8
Netgear R6900 Firmware
All of
Netgear Nighthawk R7000 Firmware<1.0.9.88
NETGEAR Nighthawk R7000
All of
NETGEAR R7900P firmware<1.0.3.18
NETGEAR R7900P firmware
All of
NETGEAR R7900P firmware<1.4.1.50
NETGEAR R7900P firmware
All of
NETGEAR R8000 firmware<1.0.4.46
NETGEAR R8000 firmware
All of
NETGEAR R8000P<1.4.1.50
NETGEAR R8000P firmware
All of
NETGEAR RAX75 firmware<1.0.3.88
NETGEAR RAX75 firmware
All of
NETGEAR RAX80 Firmware<1.0.3.88
NETGEAR RAX80 firmware
All of
NETGEAR WNR3500Lv2<1.2.0.62
NETGEAR WNR3500Lv2 firmware

Remedy

https://kb.netgear.com/000064057/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0069

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-45528?

    CVE-2021-45528 is a vulnerability that affects certain NETGEAR devices, allowing an authenticated user to exploit a buffer overflow.

  • Which NETGEAR devices are affected by CVE-2021-45528?

    CVE-2021-45528 affects the following NETGEAR devices: R6300v2, R6400, R6900, R7000, R7900, R8000, R7900P, R8000P, RAX75.

  • What is the severity of CVE-2021-45528?

    CVE-2021-45528 has a severity rating of 7.2 (high).

  • How can an authenticated user exploit CVE-2021-45528?

    An authenticated user can exploit CVE-2021-45528 by triggering a buffer overflow in the affected NETGEAR devices.

  • Where can I find more information about CVE-2021-45528?

    More information about CVE-2021-45528 can be found in the NETGEAR security advisory: https://kb.netgear.com/000064057/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0069

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