High severity7.5NVD Advisory· Published Sep 5, 2019· Updated Jun 17, 2026
CVE-2019-12223
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.
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Affected products
5- cpe:2.3:o:hanwha-security:srn-1673s_firmware:*:*:*:*:*:*:*:*Range: <2019-05-03
- cpe:2.3:o:hanwha-security:srn-472s_firmware:1.07_190502:*:*:*:*:*:*:*
- cpe:2.3:o:hanwha-security:srn-873s_firmware:*:*:*:*:*:*:*:*Range: <2019-05-03
- Hanwah Techwin/SRN-472sdescription
- Range: <2019-05-03
Patches
Vulnerability mechanics
References
3News mentions
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