CVE-2021-34980
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I. Basic Information for CVE-2021-34980
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 R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the setupwizard.cgi page. When parsing the SOAP_LOGIN_TOKEN environment variable, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14107.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Netgear NETGEAR R6260 缓冲区错误漏洞
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setupwizard.cgi页面中，当解析SOAP LOGIN TOKEN环境变量时，该过程在将用户提供的数据复制到固定长度的基于堆栈的缓冲区之前，没有正确地验证数据的长度。攻击者可利用该漏洞在受影响的NETGEAR R6260路由器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-2021-34980
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- https://www.zerodayinitiative.com/advisories/ZDI-21-1242/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-34980
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-2021-34979 | NETGEAR R6260 安全漏洞 |
IV. Related Vulnerabilities
Same vendor: NETGEAR
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Path traversal vulnerability in Netgear WiFi Range Extenders - CVE-2026-0407
Authentication bypass in NETGEAR WiFi Range Extenders via ne - CVE-2026-0406
Insufficient input validation in NETGEAR Nighthawk router XR
Same weakness: CWE-121
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Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
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PgBouncer buffer overflow in SCRAM - CVE-2026-41509
Integer underflow in crypto_sign_open() leads to buffer over - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
V. Comments for CVE-2021-34980
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