CVE-2026-86530: OS Command Injection
Published Sep 28, 2026
·Updated
BUFFALO Wi-Fi products handle some web form input improperly to assemble command line strings internally. An administrative user may send a crafted HTTP request and execute an arbitrary OS command.
Affected Software
1 affected component
Buffalo Wi-Fi products
Event History
Sep 28, 2026
CVE Published
via MITRE·08:14 AM
Data Sourced
via MITRE·08:14 AM
DescriptionSeverity
Data Sourced
via NVD·09:17 AM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
An attacker must already have administrative privileges on the affected product. The attack is performed by sending a crafted HTTP request to the device.
2
What impact could successful exploitation have?
A successful attacker can execute arbitrary operating-system commands on the affected device. The provided severity vector indicates potential complete compromise of confidentiality, integrity, and availability.