Buffer overflow in Hikvision Ds-K1t105a
CVE-2025-66176
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: -0.000
Affected products
- Hikvision Ds-K1t105a
- Hikvision Ds-K1t105a Firmware
- Hikvision Ds-K1t201a
- Hikvision Ds-K1t201a Firmware
- Hikvision Ds-K1t201a/k1t105a — versions Versions below V1.3.65
- Hikvision Ds-K1t320
- Hikvision Ds-K1t320/ds-K1t321 — versions Versions below V3.9.40
- Hikvision Ds-K1t320 Firmware
- Hikvision Ds-K1t321
- Hikvision Ds-K1t321 Firmware
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-66176?
- CVE-2025-66176 is a high-severity vulnerability in Hikvision Ds-K1t105a, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-01-13.
- How severe is CVE-2025-66176?
- High severity. CVSS v3 base score is 8.8 out of 10.