CVE-2025-66176
highpriority · track · 0EPSS 0.005 · 40 %ileEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (144)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products/cnnvd
- https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products/enisa_euvd
- https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products/Vendor Advisorynvd
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2281nvd
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