CVE-2025-66176
Hikvision Access Control Stack Overflow Vulnerability
Description
There is a Stack 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.
INFO
Published Date :
Jan. 13, 2026, 3:16 a.m.
Last Modified :
Jan. 22, 2026, 8:35 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-66176
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.
CVSS Scores
| 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
- Update the device firmware to the latest version.
- Apply vendor-provided security patches immediately.
- Restrict network access to the affected devices.
- Monitor network traffic for suspicious packets.
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-2025-66176.
| URL | Resource |
|---|---|
| https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products/ | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-66176 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-2025-66176
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-2025-66176 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
The following table lists the changes that have been made to the
CVE-2025-66176 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.
-
Initial Analysis by [email protected]
Jan. 22, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t331_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.7.80 OR cpe:2.3:h:hikvision:ds-k1t331:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t341a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.7.80 OR cpe:2.3:h:hikvision:ds-k1t341a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t341b_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.7.80 OR cpe:2.3:h:hikvision:ds-k1t341b:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t671_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.7.80 OR cpe:2.3:h:hikvision:ds-k1t671:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k5671_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.7.80 OR cpe:2.3:h:hikvision:ds-k5671:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t672_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.7.80 OR cpe:2.3:h:hikvision:ds-k1t672:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t680_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.7.80 OR cpe:2.3:h:hikvision:ds-k1t680:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t981_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.7.80 OR cpe:2.3:h:hikvision:ds-k1t981:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t341c_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.3.180 OR cpe:2.3:h:hikvision:ds-k1t341c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t670_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.48.0 OR cpe:2.3:h:hikvision:ds-k1t670:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t673_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.48.0 OR cpe:2.3:h:hikvision:ds-k1t673:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t8003_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.4.21 OR cpe:2.3:h:hikvision:ds-k1t8003:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t804a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.22 OR cpe:2.3:h:hikvision:ds-k1t804a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t804b_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.23 OR cpe:2.3:h:hikvision:ds-k1t804b:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t201a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.65 OR cpe:2.3:h:hikvision:ds-k1t201a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t105a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.65 OR cpe:2.3:h:hikvision:ds-k1t105a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t342_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.48.0 OR cpe:2.3:h:hikvision:ds-k1t342:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t343_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.48.0 OR cpe:2.3:h:hikvision:ds-k1t343:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t344_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.48.0 OR cpe:2.3:h:hikvision:ds-k1t344:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t6qt-f72_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.48.0 OR cpe:2.3:h:hikvision:ds-k1t6qt-f72:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t6qt-f43_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.48.0 OR cpe:2.3:h:hikvision:ds-k1t6qt-f43:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t8005_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.25.40 OR cpe:2.3:h:hikvision:ds-k1t8005:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t808_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.25.40 OR cpe:2.3:h:hikvision:ds-k1t808:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t320_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.9.40 OR cpe:2.3:h:hikvision:ds-k1t320:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t321_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.9.40 OR cpe:2.3:h:hikvision:ds-k1t321:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t323_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.23.41 OR cpe:2.3:h:hikvision:ds-k1t323:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k1t510_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.23.41 OR cpe:2.3:h:hikvision:ds-k1t510:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:hikvision:ds-k5033_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.37.40 OR cpe:2.3:h:hikvision:ds-k5033:-:*:*:*:*:*:*:* Added Reference Type Hangzhou Hikvision Digital Technology Co., Ltd.: https://www.hikvision.com/en/support/cybersecurity/security-advisory/buffer-overflow-vulnerabilities-in-some-hikvision-products/ Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 13, 2026
Action Type Old Value New Value Added CWE CWE-121 -
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 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. 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/