medium
6.5
CWE
79
Advisory Published
Updated

CVE-2021-45667: XSS

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX20 before 1.0.0.48, EAX80 before 1.0.1.64, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, R7960P before 1.4.1.66, RAX200 before 1.0.3.106, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, EX3700 before 1.0.0.90, MR60 before 1.0.6.110, R8000P before 1.4.1.66, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.3.106, EX3800 before 1.0.0.90, MS60 before 1.0.6.110, R7900P before 1.4.1.66, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.

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

Affected SoftwareAffected VersionHow to fix
NETGEAR CBR40 firmware<2.5.0.10
Netgear CBR40
NETGEAR EAX20<1.0.0.48
NETGEAR EAX20 Firmware
NETGEAR EAX80 firmware<1.0.1.64
NETGEAR EAX80 firmware
NETGEAR EX6120 firmware<1.0.0.64
Netgear EX6120
NETGEAR EX6130<1.0.0.44
NETGEAR EX6130
NETGEAR EX7500<1.0.0.72
NETGEAR EX7500
NETGEAR R7960P firmware<1.4.1.66
NETGEAR R7960P firmware
NETGEAR RAX200 firmware<1.0.3.106
NETGEAR RAX200 firmware
NETGEAR RBS40V<2.6.1.4
NETGEAR RBS40V-200
NETGEAR RBW30 firmware<2.6.1.4
NETGEAR RBW30 firmware
NETGEAR EX3700 firmware<1.0.0.90
Netgear EX3700
NETGEAR MR60 firmware<1.0.6.110
NETGEAR MR60 firmware
NETGEAR R8000P<1.4.1.66
NETGEAR R8000P firmware
NETGEAR RAX20 firmware<1.0.2.82
NETGEAR RAX20 firmware
NETGEAR RAX45 Firmware<1.0.2.72
NETGEAR RAX45 firmware
NETGEAR RAX80 firmware<1.0.3.106
NETGEAR RAX80 firmware
NETGEAR EX3800 firmware<1.0.0.90
NETGEAR EX3800 firmware
NETGEAR MS60<1.0.6.110
NETGEAR MS60 firmware
NETGEAR R7900P firmware<1.4.1.66
NETGEAR R7900P firmware
NETGEAR RAX15 firmware<1.0.2.82
NETGEAR RAX15 firmware
NETGEAR RAX50<=1.0.2.72
NETGEAR RAX50
NETGEAR RAX75 firmware<1.0.3.106
NETGEAR RAX75 firmware
NETGEAR RBR750<3.2.16.6
NETGEAR RBR750 firmware
NETGEAR RBR850 firmware<3.2.16.6
NETGEAR RBR850 firmware
NETGEAR RBS750<3.2.16.6
NETGEAR RBS750
NETGEAR RBS850<3.2.16.6
NETGEAR RBS850 firmware
NETGEAR RBK752 firmware<3.2.16.6
NETGEAR RBK752 firmware
NETGEAR RBK852<3.2.16.6
NETGEAR RBK852
All of
NETGEAR CBR40 firmware<2.5.0.10
Netgear CBR40
All of
NETGEAR EAX20<1.0.0.48
NETGEAR EAX20 Firmware
All of
NETGEAR EAX80 firmware<1.0.1.64
NETGEAR EAX80 firmware
All of
NETGEAR EX6120 firmware<1.0.0.64
Netgear EX6120
All of
NETGEAR EX6130<1.0.0.44
NETGEAR EX6130
All of
NETGEAR EX7500<1.0.0.72
NETGEAR EX7500
All of
NETGEAR R7960P firmware<1.4.1.66
NETGEAR R7960P firmware
All of
NETGEAR RAX200 firmware<1.0.3.106
NETGEAR RAX200 firmware
All of
NETGEAR RBS40V<2.6.1.4
NETGEAR RBS40V-200
All of
NETGEAR RBW30 firmware<2.6.1.4
NETGEAR RBW30 firmware
All of
NETGEAR EX3700 firmware<1.0.0.90
Netgear EX3700
All of
NETGEAR MR60 firmware<1.0.6.110
NETGEAR MR60 firmware
All of
NETGEAR R8000P<1.4.1.66
NETGEAR R8000P firmware
All of
NETGEAR RAX20 firmware<1.0.2.82
NETGEAR RAX20 firmware
All of
NETGEAR RAX45 Firmware<1.0.2.72
NETGEAR RAX45 firmware
All of
NETGEAR RAX80 firmware<1.0.3.106
NETGEAR RAX80 firmware
All of
NETGEAR EX3800 firmware<1.0.0.90
NETGEAR EX3800 firmware
All of
NETGEAR MS60<1.0.6.110
NETGEAR MS60 firmware
All of
NETGEAR R7900P firmware<1.4.1.66
NETGEAR R7900P firmware
All of
NETGEAR RAX15 firmware<1.0.2.82
NETGEAR RAX15 firmware
All of
NETGEAR RAX50<=1.0.2.72
NETGEAR RAX50
All of
NETGEAR RAX75 firmware<1.0.3.106
NETGEAR RAX75 firmware
All of
NETGEAR RBR750<3.2.16.6
NETGEAR RBR750 firmware
All of
NETGEAR RBR850 firmware<3.2.16.6
NETGEAR RBR850 firmware
All of
NETGEAR RBS750<3.2.16.6
NETGEAR RBS750
All of
NETGEAR RBS850<3.2.16.6
NETGEAR RBS850 firmware
All of
NETGEAR RBK752 firmware<3.2.16.6
NETGEAR RBK752 firmware
All of
NETGEAR RBK852<3.2.16.6
NETGEAR RBK852

Remedy

https://kb.netgear.com/000064481/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Router-Extenders-and-WiFi-Systems-PSV-2020-0256

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

  • Which NETGEAR devices are affected by stored XSS?

    CBR40 before 2.5.0.10, EAX20 before 1.0.0.48, EAX80 before 1.0.1.64, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, R7960P before 1.4.1.66, RAX200 before 1.0.3.106, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4.

  • What is the severity of CVE-2021-45667?

    The severity of CVE-2021-45667 is medium with a CVSS score of 4.8.

  • How can I fix the stored XSS vulnerability in my NETGEAR device?

    To fix the vulnerability, upgrade your NETGEAR device firmware to the latest version available.

  • Where can I find more information about the stored XSS vulnerability in NETGEAR devices?

    You can find more information about the vulnerability in NETGEAR devices on the NETGEAR Knowledge Base at https://kb.netgear.com/000064481/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Router-Extenders-and-WiFi-Systems-PSV-2020-0256.

  • What is the Common Weakness Enumeration (CWE) category of CVE-2021-45667?

    The Common Weakness Enumeration (CWE) category of CVE-2021-45667 is CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')).

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