CVE-2026-86530
highBUFFALO Wi-Fi products handle some web form input improperly to assemble command line strings internally.
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.
CVSS
7.2
7.2 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (vultures@jpcert.or.jp)
Timeline (UTC)
Published: 2026-09-28 09:17
Modified: 2026-09-30 13:17
NVD status: Awaiting Analysis
Last synced 2 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://jvn.jp/en/vu/JVNVU94863997/ vultures@jpcert.or.jp
- https://www.buffalo.jp/news/detail/20260928-01.html vultures@jpcert.or.jp
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗