CVE-2021-20731

Description

WSR-1166DHP3 firmware Ver.1.16 and prior and WSR-1166DHP4 firmware Ver.1.02 and prior allow an attacker to execute arbitrary OS commands with root privileges via unspecified vectors.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Vendor Advisory buffalo.jp
Affected: BUFFALO INC. WSR-1166DHP3 and WSR-1166DHP4
Published at:
Updated at:

References

Link Tags
https://www.buffalo.jp/news/detail/20210531-01.html vendor advisory
https://jvn.jp/en/vu/JVNVU92862829/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20731?
CVE-2021-20731 has been scored as a high severity vulnerability.
How to fix CVE-2021-20731?
To fix CVE-2021-20731, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20731 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20731 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20731?
CVE-2021-20731 affects BUFFALO INC. WSR-1166DHP3 and WSR-1166DHP4.
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