CVE-2025-66176: Vulnerability in Hikvision DS-K1T331
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.
AI Analysis
Technical Summary
CVE-2025-66176 is a buffer overflow vulnerability (CWE-121) in the Search and Discovery feature of the Hikvision DS-K1T331 access control product. Exploitation requires network access on the same LAN and can cause device malfunction by sending crafted packets. The vulnerability has a CVSS v3.1 score of 8.8 (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), reflecting high impact on confidentiality, integrity, and availability. No patch or remediation details are currently available, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation can lead to device malfunction, impacting confidentiality, integrity, and availability of the affected device. This could disrupt access control operations relying on the device. The attacker requires local network access but no privileges or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local network access to trusted devices only and monitor for unusual network activity targeting the device's discovery feature.
CVE-2025-66176: Vulnerability in Hikvision DS-K1T331
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.
CVSS v3.1
Score 8.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-66176 is a buffer overflow vulnerability (CWE-121) in the Search and Discovery feature of the Hikvision DS-K1T331 access control product. Exploitation requires network access on the same LAN and can cause device malfunction by sending crafted packets. The vulnerability has a CVSS v3.1 score of 8.8 (AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), reflecting high impact on confidentiality, integrity, and availability. No patch or remediation details are currently available, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation can lead to device malfunction, impacting confidentiality, integrity, and availability of the affected device. This could disrupt access control operations relying on the device. The attacker requires local network access but no privileges or user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local network access to trusted devices only and monitor for unusual network activity targeting the device's discovery feature.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- hikvision
- Date Reserved
- 2025-11-24T08:59:35.903Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6965b0daa60475309ff8e4d7
Added to database: 01/13/2026, 02:41:30 UTC
Last enriched: 07/09/2026, 08:12:22 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 1010
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