critical
9.8
CWE
327 326
Advisory Published
Updated

CVE-2021-45512: Weak Encryption

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by weak cryptography. This affects D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX7000 before 1.0.1.90, R6250 before 1.0.4.42, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6900P before 1.3.2.124, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7100LG before 1.0.0.56, R7900 before 1.0.4.26, R8000 before 1.0.4.58, R8300 before 1.0.2.134, R8500 before 1.0.2.134, RS400 before 1.5.0.48, WNR3500Lv2 before 1.2.0.62, and XR300 before 1.0.3.50.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
All of
NETGEAR D7000v1 firmware<1.0.0.62
NETGEAR D7000 firmware=v2
All of
Netgear D8500 Firmware<1.0.3.50
Netgear D8500 Firmware
All of
Netgear EX3700<1.0.0.84
Netgear EX3700
All of
NETGEAR EX3800 Firmware<1.0.0.84
NETGEAR EX3800 firmware
All of
NETGEAR EX6120<1.0.0.54
Netgear EX6120
All of
NETGEAR EX6130<1.0.0.36
NETGEAR EX6130
All of
NETGEAR EX7000 firmware<1.0.1.90
NETGEAR EX7000 firmware
All of
Netgear R6250 Firmware<1.0.4.42
NETGEAR R6250
All of
NETGEAR R6400 firmware<1.0.4.98
NETGEAR R6400 firmware=v2
All of
NETGEAR R6700 firmware<1.0.4.98
NETGEAR R6700v1 firmware=v3
All of
NETGEAR R6900P Firmware<1.3.2.124
Netgear R6900 Firmware
All of
NETGEAR Nighthawk R7000<1.0.11.106
NETGEAR Nighthawk R7000
All of
NETGEAR R7000P firmware<1.3.2.124
Netgear Routers
All of
NETGEAR R7100LG firmware<1.0.0.56
Netgear R7100LG
All of
NETGEAR R7900P firmware<1.0.4.26
NETGEAR R7900P firmware
All of
NETGEAR R8000 firmware<1.0.4.58
NETGEAR R8000 firmware
All of
NETGEAR R8300 firmware<1.0.2.134
NETGEAR R8300 firmware
All of
NETGEAR R8500<1.0.2.134
NETGEAR R8500
All of
NETGEAR RS400 firmware<1.5.0.48
NETGEAR RS400 firmware
All of
NETGEAR WNR3500L<1.2.0.62
NETGEAR WNR3500L firmware=v2
All of
Netgear NMS300 Firmware<1.0.3.50
Netgear NMS300 Firmware
NETGEAR D7000v1 firmware<1.0.0.62
NETGEAR D7000 firmware=v2
Netgear D8500 Firmware<1.0.3.50
Netgear D8500 Firmware
Netgear EX3700<1.0.0.84
Netgear EX3700
NETGEAR EX3800 Firmware<1.0.0.84
NETGEAR EX3800 firmware
NETGEAR EX6120<1.0.0.54
Netgear EX6120
NETGEAR EX6130<1.0.0.36
NETGEAR EX6130
NETGEAR EX7000 firmware<1.0.1.90
NETGEAR EX7000 firmware
Netgear R6250 Firmware<1.0.4.42
NETGEAR R6250
NETGEAR R6400 firmware<1.0.4.98
NETGEAR R6400 firmware=v2
NETGEAR R6700 firmware<1.0.4.98
NETGEAR R6700v1 firmware=v3
NETGEAR R6900P Firmware<1.3.2.124
Netgear R6900 Firmware
NETGEAR Nighthawk R7000<1.0.11.106
NETGEAR Nighthawk R7000
NETGEAR R7000P firmware<1.3.2.124
Netgear Routers
NETGEAR R7100LG firmware<1.0.0.56
Netgear R7100LG
NETGEAR R7900P firmware<1.0.4.26
NETGEAR R7900P firmware
NETGEAR R8000 firmware<1.0.4.58
NETGEAR R8000 firmware
NETGEAR R8300 firmware<1.0.2.134
NETGEAR R8300 firmware
NETGEAR R8500<1.0.2.134
NETGEAR R8500
NETGEAR RS400 firmware<1.5.0.48
NETGEAR RS400 firmware
NETGEAR WNR3500L<1.2.0.62
NETGEAR WNR3500L firmware=v2
Netgear NMS300 Firmware<1.0.3.50
Netgear NMS300 Firmware

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Reference Links

Frequently Asked Questions

  • Which NETGEAR devices are affected by weak cryptography?

    D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX7000 before 1.0.1.90, R6250 before 1.0.4.42, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6900p before 1.3.2.124, R7000 before 1.0.11.106, R7000p before 1.3.2.124, R7100lg before 1.0.0.56, R7900 before 1.0.4.26, R8000 before 1.0.4.58, R8300 before 1.0.2.134, R8500 before 1.0.2.134, Rs400 before 1.5.0.48, Wnr3500l before 1.2.0.62, and XR300 before 1.0.3.50.

  • What is the severity of CVE-2021-45512?

    The severity of CVE-2021-45512 is critical with a score of 9.8.

  • How do I know if my NETGEAR device is vulnerable to CVE-2021-45512?

    Check the firmware version of your NETGEAR device. If it is listed in the affected software list, it is vulnerable.

  • How can I fix the weak cryptography vulnerability on my NETGEAR device?

    Update your NETGEAR device to the latest firmware version provided by NETGEAR.

  • Where can I find more information about CVE-2021-45512?

    You can find more information about CVE-2021-45512 on the NETGEAR security advisory: [link](https://kb.netgear.com/000064117/Security-Advisory-for-Broken-Cryptography-on-Some-Routers-and-Extenders-PSV-2020-0134).

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