medium
6.1
CWE
79
Advisory Published
Updated

CVE-2021-45639: XSS

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by reflected XSS. This affects CBR40 before 2.5.0.10, EAX20 before 1.0.0.32, EAX80 before 1.0.1.62, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7000 before 1.0.1.104, EX7500 before 1.0.0.72, R7000 before 1.0.11.110, R7900 before 1.0.4.30, R7960P before 1.4.1.66, R8000 before 1.0.4.62, RAX200 before 1.0.2.102, XR300 before 1.0.3.50, EX3700 before 1.0.0.90, MR60 before 1.0.5.102, R7000P before 1.3.2.126, R8000P before 1.4.1.66, RAX20 before 1.0.1.64, RAX50 before 1.0.2.28, RAX80 before 1.0.3.102, EX3800 before 1.0.0.90, MS60 before 1.0.5.102, R6900P before 1.3.2.126, R7900P before 1.4.1.66, RAX15 before 1.0.1.64, RAX45 before 1.0.2.28, RAX75 before 1.0.3.102, 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
All of
NETGEAR CBR40 firmware<2.5.0.10
Netgear CBR40
All of
NETGEAR EAX20<1.0.0.32
NETGEAR EAX20 Firmware
All of
NETGEAR EAX80 firmware<1.0.1.62
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 EX7000 firmware<1.0.1.104
NETGEAR EX7000 firmware
All of
NETGEAR EX7500<1.0.0.72
NETGEAR EX7500
All of
NETGEAR R7000 firmware<1.0.11.110
NETGEAR R7000 firmware
All of
NETGEAR R7900P firmware<1.0.4.30
NETGEAR R7900P firmware
All of
NETGEAR R7960P firmware<1.4.1.66
NETGEAR R7960P firmware
All of
NETGEAR R8000 firmware<1.0.4.62
NETGEAR R8000 firmware
All of
NETGEAR RAX200 firmware<1.0.2.102
NETGEAR RAX200 firmware
All of
NETGEAR XR300 firmware<1.0.3.50
Netgear XR300
All of
NETGEAR EX3700 firmware<1.0.0.90
Netgear EX3700
All of
NETGEAR MR60 firmware<1.0.5.102
NETGEAR MR60 firmware
All of
NETGEAR R7000P firmware<1.3.2.126
Netgear R7000P
All of
NETGEAR R8000P<1.4.1.66
NETGEAR R8000P firmware
All of
NETGEAR RAX20 firmware<1.0.1.64
NETGEAR RAX20 firmware
All of
NETGEAR RAX50<1.0.2.28
NETGEAR RAX50
All of
NETGEAR RAX80 firmware<1.0.3.102
NETGEAR RAX80 firmware
All of
NETGEAR EX3800 firmware<1.0.0.90
NETGEAR EX3800 firmware
All of
NETGEAR MS60<1.0.5.102
NETGEAR MS60 firmware
All of
NETGEAR R6900P firmware<1.3.2.126
Netgear R6900 Firmware
All of
NETGEAR R7900P firmware<1.4.1.66
NETGEAR R7900P firmware
All of
NETGEAR RAX15 firmware<1.0.1.64
NETGEAR RAX15 firmware
All of
NETGEAR RAX45 Firmware<1.0.2.28
NETGEAR RAX45 firmware
All of
NETGEAR RAX75 firmware<1.0.3.102
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
NETGEAR CBR40 firmware<2.5.0.10
Netgear CBR40
NETGEAR EAX20<1.0.0.32
NETGEAR EAX20 Firmware
NETGEAR EAX80 firmware<1.0.1.62
NETGEAR EAX80 firmware
NETGEAR EX6120 firmware<1.0.0.64
Netgear EX6120
NETGEAR EX6130<1.0.0.44
NETGEAR EX6130
NETGEAR EX7000 firmware<1.0.1.104
NETGEAR EX7000 firmware
NETGEAR EX7500<1.0.0.72
NETGEAR EX7500
NETGEAR R7000 firmware<1.0.11.110
NETGEAR R7000 firmware
NETGEAR R7900P firmware<1.0.4.30
NETGEAR R7900P firmware
NETGEAR R7960P firmware<1.4.1.66
NETGEAR R7960P firmware
NETGEAR R8000 firmware<1.0.4.62
NETGEAR R8000 firmware
NETGEAR RAX200 firmware<1.0.2.102
NETGEAR RAX200 firmware
NETGEAR XR300 firmware<1.0.3.50
Netgear XR300
NETGEAR EX3700 firmware<1.0.0.90
Netgear EX3700
NETGEAR MR60 firmware<1.0.5.102
NETGEAR MR60 firmware
NETGEAR R7000P firmware<1.3.2.126
Netgear R7000P
NETGEAR R8000P<1.4.1.66
NETGEAR R8000P firmware
NETGEAR RAX20 firmware<1.0.1.64
NETGEAR RAX20 firmware
NETGEAR RAX50<1.0.2.28
NETGEAR RAX50
NETGEAR RAX80 firmware<1.0.3.102
NETGEAR RAX80 firmware
NETGEAR EX3800 firmware<1.0.0.90
NETGEAR EX3800 firmware
NETGEAR MS60<1.0.5.102
NETGEAR MS60 firmware
NETGEAR R6900P firmware<1.3.2.126
Netgear R6900 Firmware
NETGEAR R7900P firmware<1.4.1.66
NETGEAR R7900P firmware
NETGEAR RAX15 firmware<1.0.1.64
NETGEAR RAX15 firmware
NETGEAR RAX45 Firmware<1.0.2.28
NETGEAR RAX45 firmware
NETGEAR RAX75 firmware<1.0.3.102
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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-45639?

    The severity of CVE-2021-45639 is considered high due to the nature of the reflected XSS vulnerability which can lead to user session hijacking.

  • How do I fix CVE-2021-45639?

    To fix CVE-2021-45639, update the firmware of your affected NETGEAR device to the latest version available.

  • Which NETGEAR devices are affected by CVE-2021-45639?

    CVE-2021-45639 affects various NETGEAR devices including CBR40, EAX20, EAX80, EX6120, EX6130, EX7000, EX7500, R7000, R7900, and R7960P among others.

  • What types of attacks can be executed using CVE-2021-45639?

    CVE-2021-45639 allows for reflected cross-site scripting attacks which may enable an attacker to execute malicious scripts in the context of a user's browser session.

  • Is there a known exploit for CVE-2021-45639?

    As of now, there has been no public disclosure of a specific exploit for CVE-2021-45639, but the vulnerability remains a risk until mitigated.

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