{"id":"CVE-2026-112016","revision":"7553b353b4284bcabb2d5084defe8473","records":[{"revision":"7553b353b4284bcabb2d5084defe8473","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-112016","aliases":[],"title":"Netcore NR256CN through 1.5.140116 Unauthenticated Write to Fixed Boa Staging Files","description":"Netcore NR256CN through 1.5.140116 contains an unauthenticated file write vulnerability in the Boa-derived /bin/boa web server that allows remote attackers to overwrite update and restore staging files. Attackers can POST to a non-existent .cgi pathname to write attacker-controlled content into /tmp/boa_temp.update or /tmp/boa_temp.para, tampering with pending firmware updates or configuration restores or causing denial of service.","state":0,"publishedAt":"2026-10-18T11:38:37.119+00:00","modifiedAt":"2026-10-19T16:03:11.589+00:00","affected":[{"ecosystem":"Vendor product","name":"NR256CN","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Netcore\",\n                    \"product\": \"NR256CN\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"1.5.140116\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/lukadqq/netcore-router-public-refs/blob/a44d562736b41c944223297e9144d2ad7fa2aff1/2026.10.15-netcore-nr256cn-fixed-tmp-sink-write.md","https://www.vulncheck.com/advisories/netcore-nr256cn-through-1.5.140116-unauthenticated-write-to-fixed-boa-staging-files"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112016","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-112016","identifiers":["CVE-2026-112016"]},"retained":false,"historicalAffected":[]}],"coverage":[]}