CVE-2025-66177 — HIGH (8.8)

Vulnerability Description

There is a Stack 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-121

References

https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-over

FAQ

What is CVE-2025-66177?

CVE-2025-66177 is a vulnerability with a CVSS score of 8.8 (HIGH). There is a Stack 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 d...

How severe is CVE-2025-66177?

CVE-2025-66177 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-66177?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.