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CVE-2026-27650 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 27, 2026

BUFFALO Wi-Fi router - OS Command Injection

Published: March 27, 2026Updated: March 27, 2026Remote Exploitable

Overview

BUFFALO Wi-Fi router contains an OS command injection caused by improper input sanitization, letting attackers execute arbitrary OS commands remotely, exploit requires network access.

Severity & Score

Severity: High

CVSS Score: 8.8

Impact

Attackers can execute arbitrary OS commands, potentially taking full control of the device.

Mitigation

Update to the latest firmware version provided by BUFFALO.

References

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

Related Resources

Vulnerability Intelligence Dashboard
Credential Scanner

Details

CVE ID: CVE-2026-27650
Severity: High
CVSS Score: 8.8
Type: command_injection
Status: new

CWE

CWE-78

CVSS Metrics

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H