OS Command Injection Vulnerability in BUFFALO Wi-Fi Router Products
CVE-2026-27650

8.6HIGH

Key Information:

Vendor

Buffalo Inc.

Status
Buffalo Wi-fi Router Products
Vendor
CVE Published:
27 March 2026

What is CVE-2026-27650?

An OS Command Injection vulnerability has been identified in BUFFALO Wi-Fi routers, allowing an attacker to execute arbitrary OS commands. This flaw poses significant security risks, potentially leading to unauthorized access or manipulation of device functions if exploited.

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Affected Version(s)

BUFFALO Wi-Fi router products See "References" section

References

https://www.buffalo.jp/news/detail/20260323-01.html
https://jvn.jp/en/jp/JVN83788689/

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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