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I. Basic Information for CVE-2021-34346
Vulnerability Information

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Vulnerability Title
Stack Based Overflow Vulnerability in NVR Storage Expansion
Source: NVD (National Vulnerability Database)
Vulnerability Description
A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
QNAP NVR缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qnap Systems QNAP NVR是中国威联通(Qnap Systems)公司的具有存储扩展性和基于物联网的智能事件管理平台。 NVR Storage Expansion 1.0.6之前版本存在安全漏洞,该漏洞允许攻击者执行任意代码。
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
VendorProductAffected VersionsCPESubscribe
QNAP Systems Inc.NVR Storage Expansion unspecified ~ 1.0.6 ( 2021/08/03 ) -
II. Public POCs for CVE-2021-34346
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III. Intelligence Information for CVE-2021-34346
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IV. Related Vulnerabilities
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