CVE-2026-86530 BUFFALO Wi-Fi - Command Injection

BUFFALO Wi-Fi products contain a command injection caused by improper handling of web form input in command line assembly, letting administrative users execute arbitrary OS commands remotely, exploit requires administrative privileges.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.36% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
28 September 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to the latest version provided by BUFFALO.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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