{"id":"CVE-2019-9974","aliases":["EUVD-2019-19328","GHSA-4qc2-r4q6-vfxr"],"status":"published","title":"diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check,...","description":"diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check, which allows remote attackers to run a ping command via a GET request to enumerate LAN devices or crash the router with a DoS attack.","severity":{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02924,"percentile":0.87144,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306","CWE-862"],"published":"2019-04-11T18:01:44Z","modified":"2026-06-17T02:44:57Z","products":[{"vendor":"dasannetworks","product":"h660rm_firmware"}],"references":[{"url":"https://seclists.org/bugtraq/2019/Mar/41","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://blog.burghardt.pl/2019/03/diag_tool-cgi-on-dasan-h660rm-devices-with-firmware-1-03-0022-allows-spawning-ping-processes-without-any-authorization-leading-to-information-disclosure-and-dos-attacks/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9974"},{"url":"https://github.com/advisories/GHSA-4qc2-r4q6-vfxr"}],"sources":{"cve":[{"id":"CVE-2019-9974","description":"diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check, which allows remote attackers to run a ping command via a GET request to enumerate LAN devices or crash the router with a DoS attack.","status":"published","published":"2019-04-11T18:01:44Z","modified":"2024-08-04T22:10:09.295Z","updated_at":"2026-11-02T14:20:20.081405Z"}],"euvd":[{"id":"EUVD-2019-19328","description":"diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check, which allows remote attackers to run a ping command via a GET request to enumerate LAN devices or crash the router with a DoS attack.","status":"published","published":"2019-04-11T18:01:44Z","modified":"2024-08-04T22:10:09Z","updated_at":"2026-11-03T02:40:54.154728Z"}],"ghsa":[{"id":"GHSA-4qc2-r4q6-vfxr","title":"diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check,...","description":"diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check, which allows remote attackers to run a ping command via a GET request to enumerate LAN devices or crash the router with a DoS attack.","status":"published","published":"2022-05-13T01:23:08Z","modified":"2023-02-01T05:06:59Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:50:27.906349Z"}],"nvd":[{"id":"CVE-2019-9974","description":"diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check, which allows remote attackers to run a ping command via a GET request to enumerate LAN devices or crash the router with a DoS attack.","status":"published","published":"2019-04-11T19:29:01.503Z","modified":"2026-06-17T02:44:57.653Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-306","CWE-862"],"updated_at":"2026-11-02T14:05:11.426883Z"}]}}