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CVE-2026-7241— Totolink A8000RU CGI cstecgi.cgi setWiFiBasicCfg os command injection

CVSS 9.8 · Critical EPSS 1.25% · P79
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I. Basic Information for CVE-2026-7241

Vulnerability Information
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Vulnerability Title
Totolink A8000RU CGI cstecgi.cgi setWiFiBasicCfg os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wifiOff results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could 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 A8000RU 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A8000RU是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK A8000RU 7.1cu.643_b20200521版本存在命令注入漏洞，该漏洞源于CGI Handler组件中/cgi-bin/cstecgi.cgi文件的setWiFiBasicCfg函数对参数wifiOff的操作，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
TotolinkA8000RU 7.1cu.643_b20200521 cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7241

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III. Intelligence Information for CVE-2026-7241

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Same Patch Batch · Totolink · 2026-04-28 · 9 CVEs total

CVE-2026-72039.8 CRITICALTotolink A8000RU CGI cstecgi.cgi setUrlFilterRules os command injection
CVE-2026-72049.8 CRITICALTotolink A8000RU CGI cstecgi.cgi setPptpServerCfg os command injection
CVE-2026-72409.8 CRITICALTotolink A8000RU CGI cstecgi.cgi setVpnAccountCfg os command injection
CVE-2026-72429.8 CRITICALTotolink A8000RU CGI cstecgi.cgi setOpenVpnClientCfg os command injection
CVE-2026-72439.8 CRITICALTotolink A8000RU CGI cstecgi.cgi setRadvdCfg os command injection
CVE-2026-72449.8 CRITICALTotolink A8000RU CGI cstecgi.cgi setWiFiEasyGuestCfg os command injection
CVE-2026-72187.2 HIGHTotolink N300RT libapmib.so formWsc is_cmd_string_valid buffer overflow
CVE-2026-72197.2 HIGHTotolink N300RT formIpQoS buffer overflow

IV. Related Vulnerabilities

Same product: A8000RU
Same vendor: Totolink
Same weakness: CWE-78

V. Comments for CVE-2026-7241

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