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CVE-2025-66176

Published: Jan 13, 2026Updated: Jan 22, 2026 Sources: CVE List NVD BDUCWE-121
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.5%
Top 62.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-121

Affected Products

DS-K1T331HikvisionICS / OT / IoT
DS-K1T341A/K1T341BHikvisionICS / OT / IoT
DS-K1T671/K5671HikvisionICS / OT / IoT
DS-K1T672HikvisionICS / OT / IoT
DS-K1T680HikvisionICS / OT / IoT
hikvisioncommercialCNICS / OT / IoTaka hikvision cameras, hikcentral
and 139 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products/
hikvision.com

Timeline

Published
Jan 13, 2026
Last Updated
Jan 22, 2026

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