CVE-2026-86530

HIGH CVSS 4.0: 8.6 EPSS 0.36%
Updated Sep 30, 2026
BUFFALO
Parameter Value
CVSS 8.6 (HIGH)
Type CWE-78 (OS Command Injection)
Vendor BUFFALO
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)