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CVE-2026-7153— Totolink A8000RU CGI cstecgi.cgi setMiniuiHomeInfoShow os command injection

Quick assessment

Affected
Totolink A8000RU
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.

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组件文件/cgi-bin/cstecgi.cgi中函数setMiniuiHomeInfoShow对参数sys_info操作不当，可能导致os命令注入。

CVSS 9.8 · Critical EPSS 1.77% · P76

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-7153

Vulnerability Information
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Vulnerability Title
Totolink A8000RU CGI cstecgi.cgi setMiniuiHomeInfoShow os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setMiniuiHomeInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument sys_info 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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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
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组件文件/cgi-bin/cstecgi.cgi中函数setMiniuiHomeInfoShow对参数sys_info操作不当，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

Vendor Product Affected Versions CPE Subscribe
Totolink A8000RU 7.1cu.643_b20200521 cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7153

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III. Intelligence Information for CVE-2026-7153

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News Coverage for CVE-2026-7153 (1)

Same Patch Batch · Totolink · 2026-04-27 · 16 CVEs total

CVE-2026-7121 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setWizardCfg os command injection
CVE-2026-7122 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setUPnPCfg os command injection
CVE-2026-7123 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setIptvCfg os command injection
CVE-2026-7124 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setIpv6LanCfg os command injection
CVE-2026-7125 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setWiFiEasyCfg os command injection
CVE-2026-7136 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setDmzCfg os command injection
CVE-2026-7137 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setStorageCfg os command injection
CVE-2026-7138 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setNtpCfg os command injection
CVE-2026-7139 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setWiFiAclRules os command injection
CVE-2026-7140 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi CsteSystem os command injection
CVE-2026-7152 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setTelnetCfg os command injection
CVE-2026-7154 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setAdvancedInfoShow os command injection
CVE-2026-7155 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setLoginPasswordCfg os command injection
CVE-2026-7156 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi CsteSystem os command injection
CVE-2026-7202 9.8 CRITICAL Totolink A8000RU CGI cstecgi.cgi setWiFiWpsStart os command injection

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-7153

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