CVE-2025-66174
Medium · 6.8CVSS
6.8
EPSS
0.4%
Published
Dec 19, 2025
CISA due date
—
The record
There is an improper authentication vulnerability in some Hikvision DVR products. Due to the improper implementation of authentication for the serial port, an attacker with physical access could exploit this vulnerability by connecting to the affected products and run a series of commands.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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