{"schema":"threatline.record/2","record":{"id":"CVE-2026-112016","aliases":[],"summary":"Netcore NR256CN through 1.5.140116 Unauthenticated Write to Fixed Boa Staging Files","details":"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.","categories":["Unclassified"],"product":"NR256CN","vendor":"Netcore","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112016","source_modified_at":"2026-10-19T16:03:11.589Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"NR256CN","vendor":"Netcore","versions":[{"version":"0","lessThanOrEqual":"1.5.140116","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00335,"percentile":0.25647,"score_date":"2026-10-23"},"published_at":"2026-10-18T11:38:37.119Z","modified_at":"2026-10-19T16:03:11.589Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-112016","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T16:03:11.589Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-112016","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/lukadqq/netcore-router-public-refs/blob/a44d562736b41c944223297e9144d2ad7fa2aff1/2026.10.15-netcore-nr256cn-fixed-tmp-sink-write.md","tags":["technical-description","third-party-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/netcore-nr256cn-through-1.5.140116-unauthenticated-write-to-fixed-boa-staging-files","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-19T16:02:51.976234Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-19T16:03:11.589Z","content_hash":"61c66d9020565f7d7927591b48f45c058d1e7f7c8721df53bef57c44b5f425cd"}}