PT-2026-28477 · Buffalo · Buffalo Wi-Fi Router

Published 2026-03-27 · Updated 2026-03-27 · CVE-2026-33366

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions BUFFALO Wi-Fi router products (affected versions not specified)

Description A missing authentication check for a critical function allows an attacker to forcibly reboot the product without authentication. There is no information about the number of potentially affected devices or any real-world incidents where this issue was exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-33366

Affected Products

Buffalo Wi-Fi Router

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-33366 · Security Note
• https://buffalo.jp/news/detail/20260323-01.html · Vendor Advisory
• https://twitter.com/CVEnew/status/2037513368815219086 · Twitter Post
• https://jvn.jp/en/jp/JVN83788689 · Note