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CVE-2022-43971— Arbitrary code execution in Linksys WUMC710

Quick assessment

Affected
Linksys Linksys WUMC710 Wireless-AC Universal Media Connector
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.

Linksys WUMC710是美国Linksys公司的一款通用媒体连接器。 Linksys WUMC710 Wireless-AC Universal Media Connector 1.0.02 (build3)版本及之前版本存在安全漏洞。攻击者利用该漏洞以root身份在底层Linux操作系统上执行任意命令。

CVSS 7.2 · High EPSS 1.68% · P75
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I. Basic Information for CVE-2022-43971

Vulnerability Information
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Vulnerability Title
Arbitrary code execution in Linksys WUMC710
Source: CVE Program / CVE List V5
Vulnerability Description
An arbitrary code exection vulnerability exists in Linksys WUMC710 Wireless-AC Universal Media Connector with firmware <= 1.0.02 (build3). The do_setNTP function within the httpd binary uses unvalidated user input in the construction of a system command. An authenticated attacker with administrator privileges can leverage this vulnerability over the network via a malicious GET or POST request to /setNTP.cgi to execute arbitrary commands on the underlying Linux operating system as root.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Linksys WUMC710 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linksys WUMC710是美国Linksys公司的一款通用媒体连接器。 Linksys WUMC710 Wireless-AC Universal Media Connector 1.0.02 (build3)版本及之前版本存在安全漏洞。攻击者利用该漏洞以root身份在底层Linux操作系统上执行任意命令。
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
Linksys Linksys WUMC710 Wireless-AC Universal Media Connector Firmware ~ 1.0.02 (build 3) -

II. Public POCs for CVE-2022-43971

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III. Intelligence Information for CVE-2022-43971

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Other References for CVE-2022-43971 (2)

Same Patch Batch · Linksys · 2023-01-09 · 4 CVEs total

CVE-2022-43970 7.2 HIGH Buffer overflow in Linksys WRT54GL
CVE-2022-43973 7.2 HIGH Arbitrary code execution in Linksys WRT54GL
CVE-2022-43972 6.5 MEDIUM Null pointer dereference in Linksys WRT54GL

IV. Related Vulnerabilities

Same vendor: Linksys
Same weakness: CWE-78

V. Comments for CVE-2022-43971

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