{"schema":"threatline.record/2","record":{"id":"CVE-2026-42021","aliases":[],"summary":"Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup static network configuration functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially ","details":"Multiple stack-based buffer overflow vulnerabilities exist in the boa formIpv6Setup static network configuration functionality of Totolink X2000R TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327. A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities. This vulnerability concerns the static_dns1 parameter.","categories":["Network & edge"],"product":"Totolink","vendor":"totolink","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-42021","source_modified_at":"2026-10-23T22:08:30.747Z","fetched_at":"2026-10-24T00:31:04.721601Z","product":"Totolink","vendor":"totolink","versions":[{"status":"affected","version":"TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":9.1,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00737,"percentile":0.54009,"score_date":"2026-10-23"},"published_at":"2026-10-20T20:25:23.513Z","modified_at":"2026-10-23T22:08:30.747Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-42021","fetched_at":"2026-10-24T00:31:04.721601Z","source_modified_at":"2026-10-23T22:08:30.747Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-42021","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2026-2395"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-23T20:45:23.191521Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-23T22:08:30.747Z","content_hash":"88d5eb8a5b13a3076fd4d30373fbce28b9a40fddd79583f05e93db9f99386f39"}}