TI-2025-40699 Aliases CVE-2025-66174 GHSA-7h47-c92x-cf8w

Improper authentication in Hikvision DS-7104HGHI-F1

LOW 36CWE-287Published 2025-12-19 · Updated 2025-12-19

Key facts

Attack vector: Physical
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0035 28th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Hikvision	DS-7104HGHI-F1	Versions below V4.30.122_201107 (including V4.30.122_201107)	—	No fix listed	CNA
Hikvision	DS-7204HGHI-F1	Versions below V4.30.122_201107 (including V4.30.122_201107)	—	No fix listed	CNA

DS-7104HGHI-F1 VendorHikvision Affected Versions below V4.30.122_201107 (including V4.30.122_201107) Fixed in — No fix listed CNA
DS-7204HGHI-F1 VendorHikvision Affected Versions below V4.30.122_201107 (including V4.30.122_201107) Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:o:hikvision:ds-7104hghi-f1_firmware::::::::	up to 4.30.122_201107	Vulnerable	Hikvision
cpe:2.3:h:hikvision:ds-7104hghi-f1:-:::::::*	not specified by NVD	Running on	Hikvision
cpe:2.3:o:hikvision:ds-7204hghi-f1_firmware::::::::	up to 4.30.122_201107	Vulnerable	Hikvision
cpe:2.3:h:hikvision:ds-7204hghi-f1:-:::::::*	not specified by NVD	Running on	Hikvision

cpe:2.3:o:hikvision:ds-7104hghi-f1_firmware:*:*:*:*:*:*:*:* Versions up to 4.30.122_201107 Vulnerable ·Hikvision
cpe:2.3:h:hikvision:ds-7104hghi-f1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hikvision
cpe:2.3:o:hikvision:ds-7204hghi-f1_firmware:*:*:*:*:*:*:*:* Versions up to 4.30.122_201107 Vulnerable ·Hikvision
cpe:2.3:h:hikvision:ds-7204hghi-f1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hikvision

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-66174
2026-10-03 Alias added: GHSA-7h47-c92x-cf8w

References

Advisory 1

https://www.hikvision.com/en/support/cybersecurity/security-advisory/serial-port-privilege-escalation-vulnerabilities-in-some-hikvision-nvr-devices/

TI-2025-40698 Improper privilege management in Hikvision DS-7104HGHI-F1 CVSS 3.1MEDIUM 6.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences