CVE-2021-27251
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I. Basic Information for CVE-2021-27251
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Nighthawk R7800. Authentication is not required to exploit this vulnerability The specific flaw exists within handling of firmware updates. The issue results from a fallback to a insecure protocol to deliver updates. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12308.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
敏感数据的明文传输
Source: NVD (National Vulnerability Database)
Vulnerability Title
Netgear NETGEAR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netgear NETGEAR是美国网件（Netgear）公司的一款路由器。连接两个或多个网络的硬件设备，在网络间起网关的作用。 NETGEAR Nighthawk R7800 存在安全漏洞，攻击者可利用该漏洞在受影响的设备安装上执行任意代码。
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
II. Public POCs for CVE-2021-27251
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|---|
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- https://www.zerodayinitiative.com/advisories/ZDI-21-247/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-27251
Same Patch Batch · NETGEAR · 2021-04-14 · 3 CVEs total
| CVE-2021-27253 | Netgear NETGEAR 缓冲区错误漏洞 | |
| CVE-2021-27252 | Netgear NETGEAR R7800 操作系统命令注入漏洞 |
IV. Related Vulnerabilities
Same vendor: NETGEAR
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Authentication bypass in NETGEAR WiFi Range Extenders via ne - CVE-2026-0406
Insufficient input validation in NETGEAR Nighthawk router XR
Same weakness: CWE-319
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V. Comments for CVE-2021-27251
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