{"id":"CVE-2001-1194","aliases":["EUVD-2001-1175","GHSA-2xmv-96h9-88qv"],"status":"published","title":"Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via...","description":"Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with (1) an IP length less than actual packet size, or (2) fragmented packets whose size exceeds 64 kilobytes after reassembly.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03257,"percentile":0.8844,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2001-12-14T05:00:00Z","modified":"2026-06-16T21:55:47Z","exploits":[{"source":"exploitdb","id":"EDB-21186","title":"ZYXEL Prestige 681 SDSL Router - IP Fragment Reassembly","type":"remote","platform":"hardware","date":"2001-12-18","verified":true,"url":"https://www.exploit-db.com/exploits/21186"}],"products":[{"vendor":"zyxel","product":"prestige_1600"},{"vendor":"zyxel","product":"prestige_681"}],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2001-12/0190.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/7704","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2001-12/0140.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/3695","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-1194"},{"url":"https://github.com/advisories/GHSA-2xmv-96h9-88qv"}],"sources":{"cve":[{"id":"CVE-2001-1194","description":"Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with (1) an IP length less than actual packet size, or (2) fragmented packets whose size exceeds 64 kilobytes after reassembly.","status":"published","published":"2002-03-15T05:00:00Z","modified":"2024-08-08T04:44:08.284Z","updated_at":"2026-11-02T14:34:42.680977Z"}],"euvd":[{"id":"EUVD-2001-1175","description":"Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with (1) an IP length less than actual packet size, or (2) fragmented packets whose size exceeds 64 kilobytes after reassembly.","status":"published","published":"2002-03-15T05:00:00Z","modified":"2024-08-08T04:44:08Z","updated_at":"2026-11-03T01:14:48.04102Z"}],"ghsa":[{"id":"GHSA-2xmv-96h9-88qv","title":"Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via...","description":"Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with (1) an IP length less than actual packet size, or (2) fragmented packets whose size exceeds 64 kilobytes after reassembly.","status":"published","published":"2022-04-30T18:17:32Z","modified":"2023-01-30T05:05:30Z","updated_at":"2026-11-02T14:47:17.308018Z"}],"nvd":[{"id":"CVE-2001-1194","description":"Zyxel Prestige 681 and 1600 SDSL Routers allow remote attackers to cause a denial of service via malformed packets with (1) an IP length less than actual packet size, or (2) fragmented packets whose size exceeds 64 kilobytes after reassembly.","status":"published","published":"2001-12-14T05:00:00Z","modified":"2026-06-16T21:55:47.227Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:41.313877Z"}]}}