{"id":"CVE-2019-10892","aliases":["EUVD-2019-2614","GHSA-4xmx-7cpg-77rh"],"status":"published","title":"hnap_main in /htdocs/cgibin on D-link DIR-806 v1.0 devices has a stack-based buffer overflow via...","description":"An issue was discovered in D-Link DIR-806 devices. There is a stack-based buffer overflow in function hnap_main at /htdocs/cgibin. The function will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users. And it finally leads to a stack-based buffer overflow via a special HTTP header.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02289,"percentile":0.83325,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2019-09-06T19:58:12Z","modified":"2026-06-17T02:11:50Z","products":[{"vendor":"dlink","product":"dir-806_firmware"}],"references":[{"url":"https://github.com/Kirin-say/Vulnerabilities/blob/master/DIR-806_Stack_Overflow_to_Run_Shellcode.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10892"},{"url":"https://github.com/advisories/GHSA-4xmx-7cpg-77rh"}],"sources":{"cve":[{"id":"CVE-2019-10892","description":"An issue was discovered in D-Link DIR-806 devices. There is a stack-based buffer overflow in function hnap_main at /htdocs/cgibin. The function will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users. And it finally leads to a stack-based buffer overflow via a special HTTP header.","status":"published","published":"2019-09-06T19:58:12Z","modified":"2024-08-04T22:40:15.119Z","updated_at":"2026-11-02T14:20:19.399352Z"}],"euvd":[{"id":"EUVD-2019-2614","description":"An issue was discovered in D-Link DIR-806 devices. There is a stack-based buffer overflow in function hnap_main at /htdocs/cgibin. The function will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users. And it finally leads to a stack-based buffer overflow via a special HTTP header.","status":"published","published":"2019-09-06T19:58:12Z","modified":"2024-08-04T22:40:15Z","updated_at":"2026-11-03T02:40:50.763878Z"}],"ghsa":[{"id":"GHSA-4xmx-7cpg-77rh","title":"hnap_main in /htdocs/cgibin on D-link DIR-806 v1.0 devices has a stack-based buffer overflow via...","description":"hnap_main in /htdocs/cgibin on D-link DIR-806 v1.0 devices has a stack-based buffer overflow via a long HTTP header that has \"SOAPAction: http://purenetworks.com/HNAP1/GetDeviceSettings/\" at the beginning.","status":"published","published":"2022-05-24T16:55:32Z","modified":"2024-04-04T01:53:27Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:03.89673Z"}],"nvd":[{"id":"CVE-2019-10892","description":"An issue was discovered in D-Link DIR-806 devices. There is a stack-based buffer overflow in function hnap_main at /htdocs/cgibin. The function will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users. And it finally leads to a stack-based buffer overflow via a special HTTP header.","status":"published","published":"2019-09-06T20:15:11.067Z","modified":"2026-06-17T02:11:50.1Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:05:25.691233Z"}]}}