CVE-2025-66176

8.8 HIGH

Published: January 13, 2026 Modified: March 18, 2026

Description

There is a Stack overflow Vulnerability in the device Search and Discovery feature of Hikvision Access Control Products. If exploited, an attacker on the same local area network (LAN) could cause the device to malfunction by sending specially crafted packets to an unpatched device.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products/

Source: hsrc@hikvision.com

Vendor Advisory

https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2281

Source: af854a3a-2127-422b-91ae-364da2661108

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.8 / 10.0

EPSS (Exploit Probability)

0.0%

2th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-121

Affected Vendors

hikvision

Related CVEs

CVE-2026-4590 3.1

CVE-2026-4404 N/A

CVE-2026-33485 7.5

CVE-2026-33483 7.5

CVE-2026-33482 8.1