8.8
HIGH CVSS 3.1
CVE-2025-66177
Hikvision NVR/DVR/CVR/IPC Stack Overflow Denial of Service
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.

INFO

Published Date :

Jan. 13, 2026, 3:16 a.m.

Last Modified :

Jan. 13, 2026, 3:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-66177 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH da451dce-859b-4e51-8b87-9c8b60d19b32
CVSS 3.1 HIGH [email protected]
Solution
Address stack overflow by applying vendor patches for affected Hikvision devices.
  • Apply vendor patches for Hikvision NVR/DVR/CVR/IPC devices.
  • Update firmware to the latest secure version.
  • Restrict network access to the Search and Discovery feature.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-66177.

URL Resource
https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-66177 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-66177 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-66177 vulnerability anywhere in the article.

  • CybersecurityNews
Multiple Hikvision Vulnerabilities Let Attackers Cause Device Malfunction Using Crafted Packets

Hikvision, a leading provider of surveillance and access control systems, faces serious security risks from two newly disclosed stack overflow vulnerabilities. These flaws, tracked as CVE-2025-66176 a ... Read more

Published Date: Jan 13, 2026 (5 hours, 49 minutes ago)

The following table lists the changes that have been made to the CVE-2025-66177 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jan. 13, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added Reference https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact