CVE-2025-66174
Medium
Description
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.
SeverityMedium
CVSS6.5
Exploit probability—
ProductHikvision Ds-7104hghi-f1 Firmware
PublishedDec 19, 2025
First seenDec 19, 2025
Weakness typeCWE-287Improper authentication
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hikvision ds-7104hghi-f1_firmware | v ≤ 4.30.122_201107 | — |
| hikvision ds-7204hghi-f1_firmware | v ≤ 4.30.122_201107 | — |
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