High severity7.5NVD Advisory· Published Jun 27, 2025· Updated Apr 15, 2026

CVE-2025-45851

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Hikvision/DS-2CD1321-Illm-create
Range: =5.7.21 build 230819

Patches

Vulnerability mechanics

References

assets.hikvision.com/prd/public/all/files/202506/releasenote%5CNetwork_Camera-V5.7.23_SP2_Release_Note-E8.pdfnvd
crashpark.weebly.com/blog/hikvision-ip-camera-unauthenticated-denial-of-service-dosnvd
www.hikvision.com/en/support/download/firmware/nvd

News mentions

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