๐Ÿ” CVE Alert

CVE-2026-86530

HIGH 7.2
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th

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.

Vendor buffalo inc.
Product wsr-300hp
Published Sep 28, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

BUFFALO INC. / WSR-300HP
0 < Ver.2.55
BUFFALO INC. / WEX-G300
0 < Ver.1.71

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
buffalo.jp: https://www.buffalo.jp/news/detail/20260928-01.html jvn.jp: https://jvn.jp/en/vu/JVNVU94863997/