CVE-2026-33280
Quick assessment
Affected
BUFFALO INC. BUFFALO Wi-Fi router products
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
BUFFALO Wi-Fi router是日本BUFFALO公司的一系列路由器。 BUFFALO Wi-Fi router存在安全漏洞，该漏洞源于存在隐藏功能问题，可能导致攻击者访问产品的调试功能，从而执行任意操作系统命令。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-33280
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
隐藏功能
Source: CVE Program / CVE List V5
Vulnerability Title
BUFFALO Wi-Fi router 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BUFFALO Wi-Fi router是日本BUFFALO公司的一系列路由器。 BUFFALO Wi-Fi router存在安全漏洞，该漏洞源于存在隐藏功能问题，可能导致攻击者访问产品的调试功能，从而执行任意操作系统命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| BUFFALO INC. | BUFFALO Wi-Fi router products | See "References" section | - |
|
II. Public POCs for CVE-2026-33280
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-33280 (2)
Same Patch Batch · BUFFALO INC. · 2026-03-27 · 5 CVEs total
| CVE-2026-27650 | BUFFALO Wi-Fi router 操作系统命令注入漏洞 | |
| CVE-2026-32669 | BUFFALO Wi-Fi router 代码注入漏洞 | |
| CVE-2026-32678 | BUFFALO Wi-Fi router 安全漏洞 | |
| CVE-2026-33366 | BUFFALO Wi-Fi router 访问控制错误漏洞 |
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V. Comments for CVE-2026-33280
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