Missing Authentication Vulnerability in BUFFALO Wi-Fi Router Products
CVE-2026-33366

6.9MEDIUM

Key Information:

Vendor

Buffalo Inc.

Status
Buffalo Wi-fi Router Products
Vendor
CVE Published:
27 March 2026

What is CVE-2026-33366?

A vulnerability in BUFFALO Wi-Fi router products exposes a critical function to unauthorized access due to missing authentication mechanisms. This flaw may allow an attacker to forcibly reboot the affected product without any authentication, potentially disrupting network services and compromising network integrity.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

BUFFALO Wi-Fi router products See "References" section

References

https://www.buffalo.jp/news/detail/20260323-01.html
https://jvn.jp/en/jp/JVN83788689/

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

CVSS V3.0

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.