CVE-2025-66176

HIGH
STIX 2.1 vulnerability

Record summary

CVE-2025-66176 has a selected CVSS score of 8.8 (high).

Description

There is a Buffer overflow Vulnerability in the device Search and Discovery feature of Hikvision Access Control Products. If exploited, an attacker on the same local area network (LAN) could cause the device to malfunction by sending specially crafted packets to an unpatched device.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactTotal

CISA Coordinator · SSVC 2.0.3 · Evaluated Jan 13, 2026 · Source: CVE List

Affected products and versions

Showing 12 of 18
ProductSourceVersion range

DS-K1T201A/K1T105A

Browse Hikvision / DS-K1T201A/K1T105A
CVE ListVersions below V1.3.65affected

DS-K1T320/DS-K1T321

Browse Hikvision / DS-K1T320/DS-K1T321
CVE ListVersions below V3.9.40affected

DS-K1T323/DS-K1T510

Browse Hikvision / DS-K1T323/DS-K1T510
CVE ListVersions below V4.23.41affected

DS-K1T331

Browse Hikvision / DS-K1T331
CVE ListVersions below V3.7.80affected

DS-K1T341A/K1T341B

Browse Hikvision / DS-K1T341A/K1T341B
CVE ListVersions below V3.7.80affected

DS-K1T341C

Browse Hikvision / DS-K1T341C
CVE ListVersions below V3.3.180affected

DS-K1T342/K1T343/K1T344/DS-K1T6QT-F72/F43

Browse Hikvision / DS-K1T342/K1T343/K1T344/DS-K1T6QT-F72/F43
CVE ListVersions below V4.48.0affected

DS-K1T670/K1T673

Browse Hikvision / DS-K1T670/K1T673
CVE ListVersions below V4.48.0affected

DS-K1T671/K5671

Browse Hikvision / DS-K1T671/K5671
CVE ListVersions below V3.7.80affected

DS-K1T672

Browse Hikvision / DS-K1T672
CVE ListVersions below V3.7.80affected

DS-K1T680

Browse Hikvision / DS-K1T680
CVE ListVersions below V3.7.80affected

DS-K1T8003

Browse Hikvision / DS-K1T8003
CVE ListVersions below V1.4.21affected

References

3