{"api_version":"1","generated_at":"2026-07-23T11:29:34+00:00","cve":"CVE-2014-7256","urls":{"html":"https://cve.report/CVE-2014-7256","api":"https://cve.report/api/cve/CVE-2014-7256.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2014-7256","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-7256"},"summary":{"title":"CVE-2014-7256","description":"The (1) PPP Access Concentrator (PPPAC) and (2) Dial-Up Networking Internet Initiative Japan Inc. SEIL series routers SEIL/x86 Fuji 1.00 through 3.22; SEIL/X1, SEIL/X2, and SEIL/B1 1.00 through 4.62; SEIL/Turbo 1.82 through 2.18; and SEIL/neu 2FE Plus 1.82 through 2.18 allow remote attackers to cause a denial of service (restart) via crafted (a) GRE or (b) MPPE packets.","state":"PUBLISHED","assigner":"jpcert","published_at":"2014-12-05 17:59:05","updated_at":"2026-05-06 22:30:45"},"problem_types":["CWE-399","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"7.8","severity":"","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:C","baseScore":7.8,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"}}],"references":[{"url":"http://jvn.jp/en/jp/JVN04895240/index.html","name":"http://jvn.jp/en/jp/JVN04895240/index.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"JVN#04895240: SEIL Series routers vulnerable to denial-of-service (DoS)","mime":"text/xml","httpstatus":"200","archivestatus":"200"},{"url":"http://www.seil.jp/support/security/a01511.html","name":"http://www.seil.jp/support/security/a01511.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"GREおよびMPPEパケットの受信処理の脆弱性 | SEIL.jp","mime":"text/xml","httpstatus":"200","archivestatus":"200"},{"url":"http://jvndb.jvn.jp/ja/contents/2014/JVNDB-2014-000136.html","name":"http://jvndb.jvn.jp/ja/contents/2014/JVNDB-2014-000136.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-7256","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-7256","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected 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(1) PPP Access Concentrator (PPPAC) and (2) Dial-Up Networking Internet Initiative Japan Inc. SEIL series routers SEIL/x86 Fuji 1.00 through 3.22; SEIL/X1, SEIL/X2, and SEIL/B1 1.00 through 4.62; SEIL/Turbo 1.82 through 2.18; and SEIL/neu 2FE Plus 1.82 through 2.18 allow remote attackers to cause a denial of service (restart) via crafted (a) GRE or (b) MPPE packets.","Type":"Description","Title":"CVE-2014-7256"},{"CveYear":"2014","CveId":"7256","Ordinal":"2","NoteData":"2014-12-05","Type":"Other","Title":"Published"},{"CveYear":"2014","CveId":"7256","Ordinal":"3","NoteData":"2014-12-05","Type":"Other","Title":"Modified"}]}}}