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CVE-2026-6114— Totolink A7100RU CGI cstecgi.cgi setNetworkCfg os command injection

CVSS 9.8 · Critical EPSS 1.25% · P79
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I. Basic Information for CVE-2026-6114

Vulnerability Information
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Vulnerability Title
Totolink A7100RU CGI cstecgi.cgi setNetworkCfg os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setNetworkCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument proto results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used.
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
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
TOTOLINK A7100RU 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A7100RU是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 Totolink A7100RU 7.4cu.2313_b20191024版本存在操作系统命令注入漏洞，该漏洞源于CGI Handler组件中文件/cgi-bin/cstecgi.cgi的setNetworkCfg函数对参数proto处理不当，可能导致os命令注入。
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)

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Affected Products

VendorProductAffected VersionsCPESubscribe
TotolinkA7100RU 7.4cu.2313_b20191024 cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-6114

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III. Intelligence Information for CVE-2026-6114

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Same Patch Batch · Totolink · 2026-04-12 · 7 CVEs total

CVE-2026-61329.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setLedCfg os command injection
CVE-2026-61319.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setTracerouteCfg os command injection
CVE-2026-61169.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setDiagnosisCfg os command injection
CVE-2026-61159.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setAppCfg os command injection
CVE-2026-61139.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setTtyServiceCfg os command injection
CVE-2026-61129.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setRadvdCfg os command injection

IV. Related Vulnerabilities

Same product: A7100RU
Same vendor: Totolink
Same weakness: CWE-78

V. Comments for CVE-2026-6114

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