What is the severity of CVE-2020-5634?

The severity of CVE-2020-5634 is high, with a severity value of 8.8.

Which ELECOM LAN routers are affected by CVE-2020-5634?

ELECOM LAN routers such as WRC-2533GST2, WRC-1900GST2, WRC-1750GST2, and WRC-1167GST2 are affected by CVE-2020-5634.

What is the solution for CVE-2020-5634?

Update the firmware of the affected ELECOM LAN routers to version 1.14 for WRC-2533GST2, WRC-1900GST2, and WRC-1750GST2, and version 1.10 for WRC-1167GST2.

Where can I find more information about CVE-2020-5634?

You can find more information about CVE-2020-5634 on the JVN website (https://jvn.jp/en/jp/JVN82892096/index.html) and the ELECOM security advisory (https://www.elecom.co.jp/news/security/20201005-01/).

Vulnerability/
CVE-2020-5634

high

8.8

6/10/2020

13/10/2020

CVE-2020-5634

Q: What is the vulnerability of CVE-2020-5634?

CVE-2020-5634 allows an attacker on the same network segment to execute arbitrary OS commands with root privileges.

First published: Tue Oct 06 2020(Updated: )

ELECOM LAN routers (WRC-2533GST2 firmware versions prior to v1.14, WRC-1900GST2 firmware versions prior to v1.14, WRC-1750GST2 firmware versions prior to v1.14, and WRC-1167GST2 firmware versions prior to v1.10) allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege via unspecified vectors.

Credit: vultures@jpcert.or.jp

Affected Software	Affected Version	How to fix
Elecom Wrc-2533gst2 Firmware	<1.14
Elecom Wrc-2533gst2
Elecom Wrc-1900gst2 Firmware	<1.14
Elecom Wrc-1900gst2
Elecom Wrc-1750gst2 Firmware	<1.14
Elecom Wrc-1750gst2
Elecom Wrc-1167gst2 Firmware	<1.10
Elecom Wrc-1167gst2

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2020-5634?
The severity of CVE-2020-5634 is high, with a severity value of 8.8.
Which ELECOM LAN routers are affected by CVE-2020-5634?
ELECOM LAN routers such as WRC-2533GST2, WRC-1900GST2, WRC-1750GST2, and WRC-1167GST2 are affected by CVE-2020-5634.
What is the vulnerability of CVE-2020-5634?
CVE-2020-5634 allows an attacker on the same network segment to execute arbitrary OS commands with root privileges.
What is the solution for CVE-2020-5634?
Update the firmware of the affected ELECOM LAN routers to version 1.14 for WRC-2533GST2, WRC-1900GST2, and WRC-1750GST2, and version 1.10 for WRC-1167GST2.
Where can I find more information about CVE-2020-5634?
You can find more information about CVE-2020-5634 on the JVN website (https://jvn.jp/en/jp/JVN82892096/index.html) and the ELECOM security advisory (https://www.elecom.co.jp/news/security/20201005-01/).

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