CVE-2026-33280

CRITICAL

Hidden functionality issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to gain access to the product’s debugging functionality, resulting in the execution of arbitrary OS commands.

CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 3/27/2026Modified: 3/31/2026

Related Intelligence (1)

CRITICALVulnerability

NVD CRITICAL: CVE-2026-33280 — Hidden functionality issue exists in BUFFALO Wi-Fi router products, which may al...

Hidden functionality issue exists in BUFFALO Wi-Fi router products, which may allow an attacker to gain access to the product’s debugging functionality, resulting in the execution of arbitrary OS commands.

CVE-2026-33280
NIST NVD

References (2)

https://jvn.jp/en/jp/JVN83788689/Third Party Advisoryhttps://www.buffalo.jp/news/detail/20260323-01.htmlVendor Advisory