{"id":"CVE-2026-86530","revision":"076043c1e05d484782d4dac4e9e39e71","records":[{"revision":"076043c1e05d484782d4dac4e9e39e71","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-86530","aliases":[],"title":"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.","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.","state":0,"publishedAt":"2026-09-28T08:14:00.049+00:00","modifiedAt":"2026-09-30T12:33:40.894+00:00","affected":[{"ecosystem":"Vendor product","name":"WSR-300HP","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"BUFFALO INC.\",\n                    \"product\": \"WSR-300HP\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"Ver.2.55\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"WEX-G300","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"BUFFALO INC.\",\n                    \"product\": \"WEX-G300\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"Ver.1.71\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2,"severity":"HIGH"},{"system":"CVSS 4.0","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","score":8.6,"severity":"HIGH"}],"references":["https://www.buffalo.jp/news/detail/20260928-01.html","https://jvn.jp/en/vu/JVNVU94863997/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86530","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-86530","identifiers":["CVE-2026-86530"]},"retained":false,"historicalAffected":[]}],"coverage":[]}