CVE-2021-20091

Description

The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.

8.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 85.99% Top 5%

Third-Party Advisory tenable.com

Affected: n/a Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3

References

Link	Tags
https://www.tenable.com/security/research/tra-2021-13	third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20091?: CVE-2021-20091 has been scored as a high severity vulnerability.
How to fix CVE-2021-20091?: To fix CVE-2021-20091, 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-2021-20091 being actively exploited in the wild?: It is possible that CVE-2021-20091 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~86% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20091?: CVE-2021-20091 affects n/a Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3.

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