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CISA known exploited vulnerability

CVE-2021-20090

Arcadyan Buffalo Firmware Path Traversal Vulnerability

SOURCE FACT

Arcadyan · Buffalo Firmware

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.

Required action

Apply updates per vendor instructions.

CISA notes

https://nvd.nist.gov/vuln/detail/CVE-2021-20090

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