critical
10
CWE
120 119
Advisory Published
Updated

CVE-2021-45610: Buffer Overflow

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.66, D6400 before 1.0.0.100, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112A before 1.0.0.52, DGN2200v4 before 1.0.0.118, EAX80 before 1.0.1.64, R6250 before 1.0.4.48, R7000 before 1.0.11.110, R7100LG before 1.0.0.72, R7900 before 1.0.4.30, R7960P before 1.4.1.64, R8000 before 1.0.4.62, RAX200 before 1.0.3.106, RS400 before 1.5.1.80, XR300 before 1.0.3.68, R6400v2 before 1.0.4.106, R7000P before 1.3.2.132, R8000P before 1.4.1.64, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.3.106, R6700v3 before 1.0.4.106, R6900P before 1.3.2.132, R7900P before 1.4.1.64, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.3.106.

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

Affected SoftwareAffected VersionHow to fix
All of
Netgear D6220 Firmware<1.0.0.66
NETGEAR D6220 firmware
All of
NETGEAR D6400<1.0.0.100
NETGEAR D6400 firmware
All of
NETGEAR D7000v2<1.0.0.66
NETGEAR D7000v2 firmware
All of
Netgear D8500 Firmware<1.0.3.58
Netgear D8500 Firmware
All of
NETGEAR DC112A firmware<1.0.0.52
Netgear DC112A
All of
NETGEAR DGN2200Bv4 firmware<1.0.0.118
NETGEAR DGN2200Bv4
All of
NETGEAR EAX80 firmware<1.0.1.64
NETGEAR EAX80 firmware
All of
netgear R6250 Firmware<1.0.4.48
NETGEAR R6250
All of
NETGEAR R7000 firmware<1.0.11.110
NETGEAR R7000 firmware
All of
NETGEAR R7000P firmware<1.3.2.132
Netgear R7000P
All of
NETGEAR R8000 firmware<1.0.4.62
NETGEAR R8000 firmware
All of
NETGEAR R8000P<1.4.1.64
NETGEAR R8000P firmware
All of
NETGEAR R7100LG firmware<1.0.0.72
Netgear R7100LG
All of
NETGEAR R7900P firmware<1.0.4.30
NETGEAR R7900P firmware
All of
NETGEAR R7900P firmware<1.4.1.64
NETGEAR R7900P firmware
All of
NETGEAR R7960P firmware<1.4.1.64
NETGEAR R7960P firmware
All of
NETGEAR R6900P firmware<1.3.2.132
Netgear R6900 Firmware
All of
NETGEAR R6400v2 firmware<1.0.4.106
NETGEAR R6400v2 firmware
All of
Netgear R6700 Firmware<1.0.4.106
NETGEAR R6700v3 firmware
All of
NETGEAR XR300 firmware<1.0.3.68
Netgear XR300
All of
NETGEAR RS400 firmware<1.5.1.80
NETGEAR RS400 firmware
All of
NETGEAR RAX200 firmware<1.0.3.106
NETGEAR RAX200 firmware
All of
NETGEAR RAX20 firmware<1.0.2.82
NETGEAR RAX20 firmware
All of
NETGEAR RAX45 Firmware<1.0.2.82
NETGEAR RAX45 firmware
All of
NETGEAR RAX80 firmware<1.0.3.106
NETGEAR RAX80 firmware
All of
NETGEAR RAX15 firmware<1.0.2.82
NETGEAR RAX15 firmware
All of
NETGEAR RAX50<1.0.2.82
NETGEAR RAX50
All of
NETGEAR RAX75 firmware<1.0.3.106
NETGEAR RAX75 firmware
Netgear D6220 Firmware<1.0.0.66
NETGEAR D6220 firmware
NETGEAR D6400<1.0.0.100
NETGEAR D6400 firmware
NETGEAR D7000v2<1.0.0.66
NETGEAR D7000v2 firmware
Netgear D8500 Firmware<1.0.3.58
Netgear D8500 Firmware
NETGEAR DC112A firmware<1.0.0.52
Netgear DC112A
NETGEAR DGN2200Bv4 firmware<1.0.0.118
NETGEAR DGN2200Bv4
NETGEAR EAX80 firmware<1.0.1.64
NETGEAR EAX80 firmware
netgear R6250 Firmware<1.0.4.48
NETGEAR R6250
NETGEAR R7000 firmware<1.0.11.110
NETGEAR R7000 firmware
NETGEAR R7000P firmware<1.3.2.132
Netgear R7000P
NETGEAR R8000 firmware<1.0.4.62
NETGEAR R8000 firmware
NETGEAR R8000P<1.4.1.64
NETGEAR R8000P firmware
NETGEAR R7100LG firmware<1.0.0.72
Netgear R7100LG
NETGEAR R7900P firmware<1.0.4.30
NETGEAR R7900P firmware
NETGEAR R7900P firmware<1.4.1.64
NETGEAR R7900P firmware
NETGEAR R7960P firmware<1.4.1.64
NETGEAR R7960P firmware
NETGEAR R6900P firmware<1.3.2.132
Netgear R6900 Firmware
NETGEAR R6400v2 firmware<1.0.4.106
NETGEAR R6400v2 firmware
Netgear R6700 Firmware<1.0.4.106
NETGEAR R6700v3 firmware
NETGEAR XR300 firmware<1.0.3.68
Netgear XR300
NETGEAR RS400 firmware<1.5.1.80
NETGEAR RS400 firmware
NETGEAR RAX200 firmware<1.0.3.106
NETGEAR RAX200 firmware
NETGEAR RAX20 firmware<1.0.2.82
NETGEAR RAX20 firmware
NETGEAR RAX45 Firmware<1.0.2.82
NETGEAR RAX45 firmware
NETGEAR RAX80 firmware<1.0.3.106
NETGEAR RAX80 firmware
NETGEAR RAX15 firmware<1.0.2.82
NETGEAR RAX15 firmware
NETGEAR RAX50<1.0.2.82
NETGEAR RAX50
NETGEAR RAX75 firmware<1.0.3.106
NETGEAR RAX75 firmware

Remedy

https://kb.netgear.com/000064487/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0322

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is CVE-2021-45610?

    CVE-2021-45610 is a vulnerability that affects certain NETGEAR devices causing a buffer overflow by an unauthenticated attacker.

  • Which NETGEAR devices are affected by CVE-2021-45610?

    NETGEAR devices D6220, D6400, D7000v2, D8500, DC112A, DGN2200v4, EAX80, R6250, R7000, R7000P, R8000, R8000P, R7100lg, R7900, R7900P, R7960p, R6900P, R6400v2, R6700v3, XR300, RS400, Rax200, Rax20, Rax45, Rax80, Rax15, Rax50, Rax75, R7900P, and R7960p are affected by CVE-2021-45610.

  • What is the severity of CVE-2021-45610?

    CVE-2021-45610 has a severity rating of 9.8 (Critical).

  • How can I fix CVE-2021-45610?

    To fix CVE-2021-45610, update the firmware of the affected NETGEAR devices to the latest version provided by NETGEAR.

  • Where can I find more information about CVE-2021-45610?

    You can find more information about CVE-2021-45610 in the NETGEAR security advisory at the following link: [https://kb.netgear.com/000064487/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0322](https://kb.netgear.com/000064487/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0322)

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203