CVE Catalog

CVE-2025-66177

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.32%

24th percentile - higher than 24% of all known CVEs

Summary

A buffer overflow vulnerability exists in the device Search and Discovery feature of Hikvision NVR/DVR/CVR/IPC models. An attacker on the same LAN can send crafted packets to cause device malfunction.

Risk Assessment

The risk involves potential disruption of recorders and cameras, leading to loss of footage or monitoring gaps. The attack requires LAN access but no authentication.

Recommendation

Immediately update the firmware of Hikvision devices to the latest version available from the vendor. Additionally, restrict LAN access to trusted devices only.

Related vulnerabilities

Original NVD description (English source)

There is a Buffer overflow Vulnerability in the device Search and Discovery feature of Hikvision NVR/DVR/CVR/IPC models. 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 data from NVD (NIST) · CISA KEV · EPSS