CVE-2015-4408 (ds-76xxx_series_firmware, ds-77xxx_series_firmware)
Buffer overflow on Hikvision NVR DS-76xxNI-E1/2 and DS-77xxxNI-E4 devices before 3.4.0 allows remote authenticated users to cause a denial of service (service interruption) via a crafted HTTP request, aka the ISAPI issue.
Source: CVE-2015-4408 (ds-76xxx_series_firmware, ds-77xxx_series_firmware)