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CVE-2025-66176

HIGHCVSS 8.8/10EPSS 0.48%

Last modified

CVE-2025-66176 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.48%

38.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HikvisionDs-K1t331 Firmware< 3.7.80
HikvisionDs-K1t341a Firmware< 3.7.80
HikvisionDs-K1t341b Firmware< 3.7.80
HikvisionDs-K1t671 Firmware< 3.7.80
HikvisionDs-K5671 Firmware< 3.7.80
HikvisionDs-K1t672 Firmware< 3.7.80
HikvisionDs-K1t680 Firmware< 3.7.80
HikvisionDs-K1t981 Firmware< 3.7.80
HikvisionDs-K1t341c Firmware< 3.3.180
HikvisionDs-K1t670 Firmware< 4.48.0
HikvisionDs-K1t673 Firmware< 4.48.0
HikvisionDs-K1t8003 Firmware<= 1.4.21
HikvisionDs-K1t804a Firmware< 1.4.22
HikvisionDs-K1t804b Firmware< 1.4.23
HikvisionDs-K1t201a Firmware< 1.3.65
HikvisionDs-K1t105a Firmware< 1.3.65
HikvisionDs-K1t342 Firmware< 4.48.0
HikvisionDs-K1t343 Firmware< 4.48.0
HikvisionDs-K1t344 Firmware< 4.48.0
HikvisionDs-K1t6qt-F72 Firmware< 4.48.0
HikvisionDs-K1t6qt-F43 Firmware< 4.48.0
HikvisionDs-K1t8005 Firmware< 3.25.40
HikvisionDs-K1t808 Firmware< 3.25.40
HikvisionDs-K1t320 Firmware< 3.9.40
HikvisionDs-K1t321 Firmware< 3.9.40
HikvisionDs-K1t323 Firmware< 4.23.41
HikvisionDs-K1t510 Firmware< 4.23.41
HikvisionDs-K5033 Firmware< 4.37.40

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 device to malfunction by sending specially crafted packets to an unpatched device.
How severe is CVE-2025-66176?
CVE-2025-66176 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2025-66176?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66176?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST