{"id":"CVE-2011-4720","aliases":["EUVD-2011-4638","GHSA-mxgw-3vjq-gxmm"],"status":"published","title":"Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash...","description":"Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.","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":0.02681,"percentile":0.85918,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2014-12-28T00:00:00Z","modified":"2026-06-16T23:35:18Z","exploits":[{"source":"exploitdb","id":"EDB-18188","title":"Hillstone Software HS TFTP Server 1.3.2 - Denial of Service","type":"dos","platform":"windows","date":"2011-12-02","verified":true,"url":"https://www.exploit-db.com/exploits/18188"}],"products":[{"vendor":"hillstone_software","product":"hs_tftp_server"}],"references":[{"url":"http://secpod.org/blog/?p=419","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4720"},{"url":"https://github.com/advisories/GHSA-mxgw-3vjq-gxmm"}],"sources":{"cve":[{"id":"CVE-2011-4720","description":"Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.","status":"published","published":"2014-12-28T00:00:00Z","modified":"2024-08-07T00:16:34.255Z","updated_at":"2026-11-02T14:35:37.671707Z"}],"euvd":[{"id":"EUVD-2011-4638","description":"Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.","status":"published","published":"2014-12-28T00:00:00Z","modified":"2024-08-07T00:16:34Z","updated_at":"2026-11-03T01:39:48.540824Z"}],"ghsa":[{"id":"GHSA-mxgw-3vjq-gxmm","title":"Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash...","description":"Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.","status":"published","published":"2022-05-17T04:19:17Z","modified":"2023-01-28T05:01:38Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:43:36.071197Z"}],"nvd":[{"id":"CVE-2011-4720","description":"Hillstone HS TFTP Server 1.3.2 allows remote attackers to cause a denial of service (daemon crash) via a long filename in a (1) RRQ or (2) WRQ operation.","status":"published","published":"2014-12-28T00:59:00.047Z","modified":"2026-06-16T23:35:18.163Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:12.639283Z"}]}}