cve.bz

CVE-2021-20090

9.8 criticalKEVEPSS 100%

Critical (9.8) in Arcadyan Buffalo Firmware. In CISA KEV since 2021-11-03. EPSS 100% chance of exploitation in the next 30 days.

A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 could allow unauthenticated remote attackers to bypass authentication.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
100% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CISA KEV
listed 2021-11-03, due 2021-11-17
CWE
CWE-22
Published
Modified
Record from
the NVD, synced

Affected

References

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