CVE-2025-45851

HIGH EPSS 40.1%
Published Jun 27, 20251y ago · Modified Jun 17, 20261w ago
7.5 CVSS 3.1
High
Find Similar
Published Jun 27, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
40.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.