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CVE-2021-20090 — Actively Exploited: Buffalo Firmware (Arcadyan)

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.

CVE IDCVE-2021-20090
VendorArcadyan
ProductBuffalo Firmware
Vulnerability nameArcadyan Buffalo Firmware Path Traversal Vulnerability
Date added2021-11-03
Remediation due2021-11-17
Known ransomware useUnknown
Required actionApply updates per vendor instructions.
DescriptionArcadyan 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.
SourceCISA Known Exploited Vulnerabilities

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