CVE-2025-66176
Hikvision · published 2026-01-13
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by Hangzhou Hikvision Digital Technology Co., Ltd. via the CVE Program.
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.
Status at the source
- NVD status: Modified
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| Hikvision | DS-K1T331 | Versions below V3.7.80: affected |
| Hikvision | DS-K1T341A/K1T341B | Versions below V3.7.80: affected |
| Hikvision | DS-K1T671/K5671 | Versions below V3.7.80: affected |
| Hikvision | DS-K1T672 | Versions below V3.7.80: affected |
| Hikvision | DS-K1T680 | Versions below V3.7.80: affected |
| Hikvision | DS-K1T981 | Versions below V3.7.80: affected |
| Hikvision | DS-K1T341C | Versions below V3.3.180: affected |
| Hikvision | DS-K1T670/K1T673 | Versions below V4.48.0: affected |
| Hikvision | DS-K1T8003 | Versions below V1.4.21: affected |
| Hikvision | DS-K1T804A | Versions below V1.4.22: affected |
| Hikvision | DS-K1T8003/8004 | Versions below V1.4.21: affected |
| Hikvision | DS-K1T804A | Versions below V1.4.22: affected |
| Hikvision | DS-K1T804B | Versions below V1.4.23: affected |
| Hikvision | DS-K1T201A/K1T105A | Versions below V1.3.65: affected |
| Hikvision | DS-K1T342/K1T343/K1T344/DS-K1T6QT-F72/F43 | Versions below V4.48.0: affected |
| Hikvision | DS-K1T8005/DS-K1T808 | Versions below V3.25.40: affected |
| Hikvision | DS-K1T320/DS-K1T321 | Versions below V3.9.40: affected |
| Hikvision | DS-K1T323/DS-K1T510 | Versions below V4.23.41: affected |
| Hikvision | DS-K5033 | Versions below V4.37.40: affected |
Products named in NVD's CPE match criteria (28)
cpe:2.3:o:hikvision:ds-k1t331_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t341a_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t341b_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t671_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k5671_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t672_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t680_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t981_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t341c_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t670_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t673_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t8003_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t804a_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t804b_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t201a_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t105a_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t342_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t343_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t344_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t6qt-f72_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t6qt-f43_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t8005_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t808_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t320_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t321_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t323_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k1t510_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:hikvision:ds-k5033_firmware:*:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 8.8 HIGH — as published by Hangzhou Hikvision Digital Technology Co., Ltd. (Secondary)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: total
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products/
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2281
Source dates: published 2026-01-13, last changed 2026-07-09. DeSpy's copy of this version is dated 2026-09-28.
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