CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.
CVE
CVE-2025-45851
Severity
HIGH
CVSS
7.5
EPSS
0.52%
Original NVD Description
An issue in Hikvision DS-2CD1321-I V5.7.21 build 230819 allows attackers to cause a Denial of Service (DoS) via sending a crafted POST request to the endpoint /ISAPI/Security/challenge. The vendor has stated that upgrading to V5.7.23_SP2 fixes the issue.