PT-2025-27145 · Hikvision · Hikvision Ds-2Cd1321-I

Published 2025-06-27 · Updated 2025-06-27 · CVE-2025-45851

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: Hikvision DS-2CD1321-I version 5.7.21 build 230819

Description: The issue allows attackers to cause a Denial of Service (DoS) via sending a crafted POST request to the endpoint "/ISAPI/Security/challenge".

Recommendations: For Hikvision DS-2CD1321-I version 5.7.21 build 230819, as a temporary workaround, consider restricting access to the "/ISAPI/Security/challenge" endpoint until a patch is available.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2025-07722

CVE-2025-45851

Affected Products

Hikvision Ds-2Cd1321-I

References · 7

• https://bdu.fstec.ru/vul/2025-07722 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-45851 · Security Note
• https://twitter.com/CVEnew/status/1938585378145058987 · Twitter Post
• https://hikvision.com/en/support/download/firmware · Note
• https://assets.hikvision.com/prd/public/all/files/202506/releasenote%5CNetwork_Camera-V5.7.23_SP2_Release_Note-E8.pdf · Note
• https://t.me/cvenotify/126954 · Telegram Post
• https://crashpark.weebly.com/blog/hikvision-ip-camera-unauthenticated-denial-of-service-dos · Note