CVE-2021-20091

high-risk
Published 2021-04-29

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.

Do I need to act?

!
86.8% chance of exploitation in next 30 days
EPSS score — higher than 13% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Buffalo

References (2)

Third Party Advisory https://www.tenable.com/security/research/tra-2021-13
Third Party Advisory https://www.tenable.com/security/research/tra-2021-13
57
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 20/34 · Moderate
Exposure 7/34 · Low