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HIGH · 8.8

CVE-2025-66176

There is a Stack 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 ...

Vulnerability Description

There is a Stack 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
HikvisionDs-K1T331 Firmware< 3.7.80
HikvisionDs-K1T331-
HikvisionDs-K1T341A Firmware< 3.7.80
HikvisionDs-K1T341A-
HikvisionDs-K1T341B Firmware< 3.7.80
HikvisionDs-K1T341B-
HikvisionDs-K1T671 Firmware< 3.7.80
HikvisionDs-K1T671-
HikvisionDs-K5671 Firmware< 3.7.80
HikvisionDs-K5671-
HikvisionDs-K1T672 Firmware< 3.7.80
HikvisionDs-K1T672-
HikvisionDs-K1T680 Firmware< 3.7.80
HikvisionDs-K1T680-
HikvisionDs-K1T981 Firmware< 3.7.80
HikvisionDs-K1T981-
HikvisionDs-K1T341C Firmware< 3.3.180
HikvisionDs-K1T341C-
HikvisionDs-K1T670 Firmware< 4.48.0
HikvisionDs-K1T670-

Related Weaknesses (CWE)

CWE-121

References

FAQ

What is CVE-2025-66176?

CVE-2025-66176 is a vulnerability with a CVSS score of 8.8 (HIGH). There is a Stack 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 ...

How severe is CVE-2025-66176?

CVE-2025-66176 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-66176?

Check the references section above for vendor advisories and patch information. Affected products include: Hikvision Ds-K1T331 Firmware, Hikvision Ds-K1T331, Hikvision Ds-K1T341A Firmware, Hikvision Ds-K1T341A, Hikvision Ds-K1T341B Firmware.