Live › vulnerability › CVE-2021-20090
Go to dashboardArcadyan Buffalo router firmware has a path traversal flaw that lets remote attackers bypass authentication and read sensitive information. CISA lists it as actively exploited in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Arcadyan Buffalo Firmware | vendor | – | – |
Unknown from the sources. In the analyst’s queue.
Apply firmware updates per vendor instructions, as CISA directs; the specific fixed versions are unknown from the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2021-20090")
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