{"id":"CVE-2019-12223","aliases":["EUVD-2019-3868","GHSA-fjr3-w9q4-qj56"],"status":"published","title":"An issue was discovered in NVR WebViewer on Hanwah Techwin SRN-472s 1.07_190502 devices, and...","description":"An issue was discovered in NVR WebViewer on Hanwah Techwin SRN-472s 1.07_190502 devices, and other SRN-x devices before 2019-05-03. A system crash and reboot can be achieved by submitting a long username in excess of 117 characters. The username triggers a buffer overflow in the main process controlling operation of the DVR system, rendering services unavailable during the reboot operation. A repeated attack affects availability as long as the attacker has network access to the device.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02369,"percentile":0.83934,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2019-09-05T14:55:03Z","modified":"2026-06-17T02:14:16Z","products":[{"vendor":"hanwha-security","product":"srn-1673s_firmware"},{"vendor":"hanwha-security","product":"srn-472s_firmware"},{"vendor":"hanwha-security","product":"srn-873s_firmware"}],"references":[{"url":"https://www.hanwha-security.com/en/products/video-recorder/nvr/ch4/SRN-472S/overview/","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://medium.com/%40noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-2019-12223-5f4afbc83fbd","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://gist.github.com/dustinnoe/66f91573a0080c9fb2c21819d8805a82","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12223"},{"url":"https://medium.com/@noe.dustin/samsung-webviewer-remote-dos-vulberability-cve-2019-12223-5f4afbc83fbd"},{"url":"https://www.hanwha-security.com/en/products/video-recorder/nvr/ch4/SRN-472S/overview"},{"url":"https://github.com/advisories/GHSA-fjr3-w9q4-qj56"}],"sources":{"cve":[{"id":"CVE-2019-12223","description":"An issue was discovered in NVR WebViewer on Hanwah Techwin SRN-472s 1.07_190502 devices, and other SRN-x devices before 2019-05-03. A system crash and reboot can be achieved by submitting a long username in excess of 117 characters. The username triggers a buffer overflow in the main process controlling operation of the DVR system, rendering services unavailable during the reboot operation. A repeated attack affects availability as long as the attacker has network access to the device.","status":"published","published":"2019-09-05T14:55:03Z","modified":"2024-08-04T23:17:38.922Z","updated_at":"2026-11-02T14:20:23.697579Z"}],"euvd":[{"id":"EUVD-2019-3868","description":"An issue was discovered in NVR WebViewer on Hanwah Techwin SRN-472s 1.07_190502 devices, and other SRN-x devices before 2019-05-03. A system crash and reboot can be achieved by submitting a long username in excess of 117 characters. The username triggers a buffer overflow in the main process controlling operation of the DVR system, rendering services unavailable during the reboot operation. A repeated attack affects availability as long as the attacker has network access to the device.","status":"published","published":"2019-09-05T14:55:03Z","modified":"2024-08-04T23:17:38Z","updated_at":"2026-11-03T02:40:46.843701Z"}],"ghsa":[{"id":"GHSA-fjr3-w9q4-qj56","title":"An issue was discovered in NVR WebViewer on Hanwah Techwin SRN-472s 1.07_190502 devices, and...","description":"An issue was discovered in NVR WebViewer on Hanwah Techwin SRN-472s 1.07_190502 devices, and other SRN-x devices before 2019-05-03. A system crash and reboot can be achieved by submitting a long username in excess of 117 characters. The username triggers a buffer overflow in the main process controlling operation of the DVR system, rendering services unavailable during the reboot operation. A repeated attack affects availability as long as the attacker has network access to the device.","status":"published","published":"2022-05-24T16:55:29Z","modified":"2024-04-04T01:53:13Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:56:03.89673Z"}],"nvd":[{"id":"CVE-2019-12223","description":"An issue was discovered in NVR WebViewer on Hanwah Techwin SRN-472s 1.07_190502 devices, and other SRN-x devices before 2019-05-03. A system crash and reboot can be achieved by submitting a long username in excess of 117 characters. The username triggers a buffer overflow in the main process controlling operation of the DVR system, rendering services unavailable during the reboot operation. A repeated attack affects availability as long as the attacker has network access to the device.","status":"published","published":"2019-09-05T15:15:11.783Z","modified":"2026-06-17T02:14:16.777Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:05:25.691233Z"}]}}