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CVE-2021-34979

Quick assessment

Affected
NETGEAR R6260
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.

Netgear NETGEAR R6260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 R6260 routers 存在安全漏洞，该漏洞源于设备在将用户提供的数据复制到固定长度的缓冲区之前没有正确验证它的长度，攻击者可以利用该漏洞在root上下文中执行代码。

AI Predicted 9.8 Difficulty: Easy EPSS 1.37% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-34979

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SOAP requests. When parsing the SOAPAction header, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13512.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
NETGEAR R6260 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netgear NETGEAR R6260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 R6260 routers 存在安全漏洞，该漏洞源于设备在将用户提供的数据复制到固定长度的缓冲区之前没有正确验证它的长度，攻击者可以利用该漏洞在root上下文中执行代码。
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

Vendor Product Affected Versions CPE Subscribe
NETGEAR R6260 1.1.0.78_1.0.1 -

II. Public POCs for CVE-2021-34979

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III. Intelligence Information for CVE-2021-34979

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Vendor Advisories for CVE-2021-34979 (1)

Other References for CVE-2021-34979 (1)

Same Patch Batch · NETGEAR · 2022-01-13 · 4 CVEs total

CVE-2021-34977 NETGEAR R7000 授权问题漏洞
CVE-2021-34978 Netgear NETGEAR R6260 缓冲区错误漏洞
CVE-2021-34980 Netgear NETGEAR R6260 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: R6260
Same vendor: NETGEAR
Same weakness: CWE-120

V. Comments for CVE-2021-34979

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