CVE-2025-66176
There is a Buffer overflow Vulnerability in the device Search and Discovery feature of Hikvision Access Control Products. If exploited, an…
- 8.8HighCVSS base score
- 0.47%Exploitation in 30 daysEPSS · top 59% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By hikvision
- 50 days later
· 50 days later
Published
- 6 months later
· 6 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| hikvisionCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.47% · top 59% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
- affected Versions below V3.7.80
Hikvision · DS-K1T341A/K1T341B
- affected Versions below V3.7.80
- affected Versions below V3.7.80
- affected Versions below V3.7.80
- affected Versions below V3.7.80
- affected Versions below V3.7.80
- affected Versions below V3.3.180
- affected Versions below V4.48.0
- affected Versions below V1.4.21
- affected Versions below V1.4.22
- affected Versions below V1.4.21
- affected Versions below V1.4.22
- affected Versions below V1.4.23
Hikvision · DS-K1T201A/K1T105A
- affected Versions below V1.3.65
Hikvision · DS-K1T342/K1T343/K1T344/DS-K1T6QT-F72/F43
- affected Versions below V4.48.0
Hikvision · DS-K1T8005/DS-K1T808
- affected Versions below V3.25.40
Hikvision · DS-K1T320/DS-K1T321
- affected Versions below V3.9.40
Hikvision · DS-K1T323/DS-K1T510
- affected Versions below V4.23.41
- affected Versions below V4.37.40
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-2382 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-66176)Record last updated .