Firetruck

CVE-2021-20090

KEV
Updated Oct 21, 2025 · PUBLISHED
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Description

Arcadyan Buffalo firmware contains a path traversal vulnerability that could allow unauthenticated, remote attackers to bypass authentication and access sensitive information. This vulnerability affects multiple routers across several different vendors.

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3n/a / Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24affected