Detections
Analytics

CVE-2026-86530

high

Description

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.

References

https://www.buffalo.jp/news/detail/20260928-01.html

https://jvn.jp/en/vu/JVNVU94863997/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-88165

Details

Source: Mitre, NVD

Published: 2026-09-28

Updated: 2026-09-30

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.6

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.0036