Vulnerability · Published Dec 19, 2025 · Assigned by hikvision
CVE-2025-66174
Medium 6.5
In plain English
A medium-severity improper authentication in DS-7104HGHI-F1 from Hikvision. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 71.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hikvision | DS-7104HGHI-F1 | Versions below V4.30.122_201107 (including V4.30.122_201107) |
| Hikvision | DS-7204HGHI-F1 | Versions below V4.30.122_201107 (including V4.30.122_201107) |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L