Vulnerability details

CVE-2026-33280

BUFFALO Wi-Fi router products

CVSS 4.0

8.6High

Official description

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 scores

Score	Version	Source	Vector
8.6High	4.0	CVEProject cvelistV5 (CNA) (jpcert)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`
7.2High	3.0	CVEProject cvelistV5 (CNA) (jpcert)	`CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
BUFFALO INC.	BUFFALO Wi-Fi router products	See "References" section	CVEProject cvelistV5 (CNA)

References and advisories

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Details

Published: 2026-03-27
Last updated: 2026-03-27
State: Published
Assigner (CNA): jpcert

Exploit prediction (EPSS)

0.38%

Probability of exploitation in 30 days

32.6%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-912
Hidden functionality