CVE-2025-45851

State: Published
Severity: 7.5 High
Published: Jun 27, 2025
Updated: Jun 30, 2025
Reserved: Apr 22, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.