CVE-2021-20090
CISA KEV
ACT NOW
Priority: 0.00
BB Relevance:
0/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
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.
CISA Known Exploited Vulnerability
Vendor / Product
Arcadyan — Buffalo Firmware
Date Added
2021-11-03
Remediation Due
2021-11-17
https://nvd.nist.gov/vuln/detail/CVE-2021-20090