PT-2026-28441 · Buffalo · Buffalo Wi-Fi Router

Published 2026-03-27 · Updated 2026-03-27 · CVE-2026-32678

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description An authentication bypass issue exists in BUFFALO Wi-Fi router products. This issue may allow an attacker to alter critical configuration settings without authentication.

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

Authentication Bypass Using an Alternate Path or Channel

Weakness Enumeration

CWE-288

Related Identifiers

CVE-2026-32678

Affected Products

Buffalo Wi-Fi Router

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-32678 · Security Note
• https://buffalo.jp/news/detail/20260323-01.html · Vendor Advisory
• https://jvn.jp/en/jp/JVN83788689 · Note
• https://twitter.com/CVEnew/status/2037513370958438660 · Twitter Post