Authentication bypass issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to alter critical configuration settings without authentication.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
BUFFALO INC. BUFFALO Wi-Fi router products affected
Version Status Constraints
See "References" section affected —

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/jp/JVN83788689/ cve-icon cve-icon
https://www.buffalo.jp/news/detail/20260323-01.html cve-icon cve-icon
History

Fri, 27 Mar 2026 06:00:00 +0000

Type Values Removed Values Added
Description Authentication bypass issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to alter critical configuration settings without authentication.
Weaknesses CWE-288
References
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-03-27T05:25:19.851Z

Reserved: 2026-03-25T06:25:32.059Z

Link: CVE-2026-32678

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-27T06:16:38.650

Modified: 2026-03-27T06:16:38.650

Link: CVE-2026-32678

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses