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CVE-2024-39944

Quick assessment

Affected
Dahua IPC-HX8XXX and NVR4XXX
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dahua NVR是中国大华（Dahua）公司的一系列网络视频录像机。 Dahua NVR4XXXIPC-HX8XXX存在安全漏洞，该漏洞源于攻击者可以向存在漏洞的接口发送精心制作的数据包，导致设备崩溃。

CVSS 7.5 · High EPSS 0.56% · P44

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-39944

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Dahua products.Attackers can send carefully crafted data packets to the interface with vulnerabilities, causing the device to crash.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Dahua NVR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dahua NVR是中国大华（Dahua）公司的一系列网络视频录像机。 Dahua NVR4XXXIPC-HX8XXX存在安全漏洞，该漏洞源于攻击者可以向存在漏洞的接口发送精心制作的数据包，导致设备崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Dahua IPC-HX8XXX and NVR4XXX IPC-HX8XXX and NVR4XXX Versions which Build time before 2024/2/2 -

II. Public POCs for CVE-2024-39944

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2024-39944

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Vendor Advisories for CVE-2024-39944 (1)

Same Patch Batch · Dahua · 2024-07-31 · 7 CVEs total

CVE-2024-39950 8.6 HIGH Dahua NVR 安全漏洞
CVE-2024-39949 7.5 HIGH Dahua NVR 安全漏洞
CVE-2024-39948 7.5 HIGH Dahua NVR 安全漏洞
CVE-2024-39947 6.5 MEDIUM Dahua NVR 安全漏洞
CVE-2024-39946 6.0 MEDIUM Dahua NVR 安全漏洞
CVE-2024-39945 4.9 MEDIUM Dahua NVR 安全漏洞

IV. Related Vulnerabilities

Same vendor: Dahua
Same weakness: CWE-770

V. Comments for CVE-2024-39944

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