CVE-2025-45851

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published
Jun 27, 2025
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2025-45851: High severity, CVSS 7.5 | Vulnix