CVE-2021-45603: Infoleak

Published Dec 26, 2021
·
Updated

Certain NETGEAR devices are affected by disclosure of sensitive information. A UPnP request reveals a device's serial number, which can be used for a password reset. This affects D7800 before 1.0.1.66, EX2700 before 1.0.1.68, WN3000RPv2 before 1.0.0.90, WN3000RPv3 before 1.0.2.100, LBR1020 before 2.6.5.20, LBR20 before 2.6.5.32, R6700AX before 1.0.10.110, R7800 before 1.0.2.86, R8900 before 1.0.5.38, R9000 before 1.0.5.38, RAX10 before 1.0.10.110, RAX120v1 before 1.2.3.28, RAX120v2 before 1.2.3.28, RAX70 before 1.0.10.110, RAX78 before 1.0.10.110, XR450 before 2.3.2.130, XR500 before 2.3.2.130, and XR700 before 1.0.1.46.

Affected Software

72 affected components
All of the following
Netgear D7800 Firmware<1.0.1.66
Netgear D7800
All of the following
Netgear Ex2700 Firmware<1.0.1.68
Netgear EX2700
All of the following
Netgear Wn3000rpv2 Firmware<1.0.0.90
Netgear WN3000RPv2
All of the following
Netgear Wn3000rpv3 Firmware<1.0.2.100
Netgear WN3000RPv3
All of the following
Netgear Lbr1020 Firmware<2.6.5.20
Netgear LBR1020
All of the following
Netgear Lbr20 Firmware<2.6.5.32
Netgear LBR20
All of the following
Netgear R6700ax Firmware<1.0.10.110
Netgear R6700AX
All of the following
Netgear R7800 firmware<1.0.2.86
Netgear R7800
All of the following
Netgear R8900 Firmware<1.0.5.38
Netgear R8900
All of the following
Netgear R9000 Firmware<1.0.5.38
Netgear R9000
All of the following
Netgear Rax10 Firmware<1.0.10.110
Netgear RAX10
All of the following
Netgear Rax120v1 Firmware<1.2.3.28
Netgear RAX120v1
All of the following
Netgear Rax120v2 Firmware<1.2.3.28
Netgear RAX120v2
All of the following
Netgear Rax70 Firmware<1.0.10.110
Netgear RAX70
All of the following
Netgear Rax78 Firmware<1.0.10.110
Netgear RAX78
All of the following
Netgear Xr450 Firmware<2.3.2.130
Netgear XR450
All of the following
Netgear Xr500 Firmware<2.3.2.130
Netgear XR500
All of the following
Netgear Xr700 Firmware<1.0.1.46
Netgear XR700
Netgear D7800 Firmware<1.0.1.66
Netgear D7800
Netgear Ex2700 Firmware<1.0.1.68
Netgear EX2700
Netgear Wn3000rpv2 Firmware<1.0.0.90
Netgear WN3000RPv2
Netgear Wn3000rpv3 Firmware<1.0.2.100
Netgear WN3000RPv3
Netgear Lbr1020 Firmware<2.6.5.20
Netgear LBR1020
Netgear Lbr20 Firmware<2.6.5.32
Netgear LBR20
Netgear R6700ax Firmware<1.0.10.110
Netgear R6700AX
Netgear R7800 firmware<1.0.2.86
Netgear R7800
Netgear R8900 Firmware<1.0.5.38
Netgear R8900
Netgear R9000 Firmware<1.0.5.38
Netgear R9000
Netgear Rax10 Firmware<1.0.10.110
Netgear RAX10
Netgear Rax120v1 Firmware<1.2.3.28
Netgear RAX120v1
Netgear Rax120v2 Firmware<1.2.3.28
Netgear RAX120v2
Netgear Rax70 Firmware<1.0.10.110
Netgear RAX70
Netgear Rax78 Firmware<1.0.10.110
Netgear RAX78
Netgear Xr450 Firmware<2.3.2.130
Netgear XR450
Netgear Xr500 Firmware<2.3.2.130
Netgear XR500
Netgear Xr700 Firmware<1.0.1.46
Netgear XR700

Event History

Dec 26, 2021
CVE Published
via MITRE·12:38 AM
Data Sourced
via MITRE·12:38 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID for this NETGEAR vulnerability?

The vulnerability ID for this NETGEAR vulnerability is CVE-2021-45603.

2

What is the severity level of CVE-2021-45603?

The severity level of CVE-2021-45603 is medium (5.5).

3

Which devices are affected by CVE-2021-45603?

Devices affected by CVE-2021-45603 include NETGEAR D7800, EX2700, WN3000RPv2, and WN3000RPv3.

4

What is the impact of CVE-2021-45603?

CVE-2021-45603 allows disclosure of sensitive information and can be used for a password reset.

5

Is there a fix available for CVE-2021-45603?

Yes, NETGEAR has released firmware updates to address CVE-2021-45603, please refer to the NETGEAR advisory for more information.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203