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OpenAdvisories
High · 7.2 CVE-2026-86530 EUVD-2026-88165GHSA-j628-7w6r-937x

BUFFALO Wi-Fi products handle some web form input improperly to assemble command line strings internally. An administrative user may send a…

Published Sep 28, 2026 · Updated Sep 30, 2026 · Assigned by jpcert

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.

Affected products

VendorProductAffectedFixed
BUFFALO WSR-300HP < Ver.2.55 Ver.2.55
BUFFALO WEX-G300 < Ver.1.71 Ver.1.71

References