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CVE-2026-6026— Totolink A7100RU CGI cstecgi.cgi setPortalConfWeChat os command injection

CVSS 9.8 · Critical EPSS 0.33% · P55
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I. Basic Information for CVE-2026-6026

Vulnerability Information
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Vulnerability Title
Totolink A7100RU CGI cstecgi.cgi setPortalConfWeChat os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the function setPortalConfWeChat of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument enable results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
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，该漏洞源于对文件/cgi-bin/cstecgi.cgi中参数enable的错误操作，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-2026-6026

#POC DescriptionSource LinkShenlong Link
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Qwen3.6-35B-A3B · 8224 chars
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III. Intelligence Information for CVE-2026-6026

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Same Patch Batch · Totolink · 2026-04-10 · 10 CVEs total

CVE-2026-60299.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setVpnAccountCfg os command injection
CVE-2026-60289.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setPptpServerCfg os command injection
CVE-2026-60279.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setUrlFilterRules os command injection
CVE-2026-60259.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setSyslogCfg os command injection
CVE-2026-59979.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setLoginPasswordCfg os command injection
CVE-2026-59969.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setAdvancedInfoShow os command injection
CVE-2026-59959.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setMiniuiHomeInfoShow os command injection
CVE-2026-59949.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setTelnetCfg os command injection
CVE-2026-59939.8 CRITICALTotolink A7100RU CGI cstecgi.cgi setWiFiGuestCfg os command injection

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-6026

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