CVE-2026-7823— Totolink A8000RU cstecgi.cgi setAppFilterCfg os command injection
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I. Basic Information for CVE-2026-7823
Vulnerability Information
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Vulnerability Title
Totolink A8000RU cstecgi.cgi setAppFilterCfg os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setAppFilterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be launched 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 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，该漏洞源于文件/cgi-bin/cstecgi.cgi中函数setAppFilterCfg对参数enable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
II. Public POCs for CVE-2026-7823
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- CVE-2026-7823 | Totolink A8000RU 7.1cu.643_b20200521 /cgi-bin/cstecgi.cgi setAppFilterCfg enable os command injectionvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-7823
IV. Related Vulnerabilities
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