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Medium severity6.5NVD Advisory· Published Dec 19, 2025· Updated Jun 17, 2026

CVE-2025-66174

CVE-2025-66174

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

5
  • Hikvision/Ds 7104hghi F1 Firmware
    cpe:2.3:o:hikvision:ds-7104hghi-f1_firmware:*:*:*:*:*:*:*:*
    Range: <=4.30.122_201107
  • Hikvision/Ds 7204hghi F1 Firmware
    cpe:2.3:o:hikvision:ds-7204hghi-f1_firmware:*:*:*:*:*:*:*:*
    Range: <=4.30.122_201107
  • Hikvision/NVR/DVRllm-fuzzy
  • Hikvision/DS-7204HGHI-F1cpe-rescue2 versions
    Versions below V4.30.122_201107 (including V4.30.122_201107)+ 1 more
    • (no CPE)range: Versions below V4.30.122_201107 (including V4.30.122_201107)
    • (no CPE)range: Versions below V4.30.122_201107 (including V4.30.122_201107)

Patches

Vulnerability mechanics

References

1

News mentions

0

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