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CVE-2026-5692— Totolink A7100RU cstecgi.cgi setGameSpeedCfg os command injection

Quick assessment

Affected
Totolink A7100RU
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，可能导致远程os命令注入。

CVSS 7.3 · High EPSS 2.06% · P81

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-5692

Vulnerability Information
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Vulnerability Title
Totolink A7100RU cstecgi.cgi setGameSpeedCfg os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function setGameSpeedCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be performed from remote. The exploit has been made public and could be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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 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，可能导致远程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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Totolink A7100RU 7.4cu.2313_b20191024 cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-5692

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9961 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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III. Intelligence Information for CVE-2026-5692

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Other References for CVE-2026-5692 (1)

Same Patch Batch · Totolink · 2026-04-06 · 9 CVEs total

CVE-2026-5676 7.3 HIGH Totolink A8000R cstecgi.cgi setLanguageCfg missing authentication
CVE-2026-5677 7.3 HIGH Totolink A7100RU cstecgi.cgi CsteSystem os command injection
CVE-2026-5678 7.3 HIGH Totolink A7100RU cstecgi.cgi setScheduleCfg os command injection
CVE-2026-5688 7.3 HIGH Totolink A7100RU cstecgi.cgi setDdnsCfg os command injection
CVE-2026-5689 7.3 HIGH Totolink A7100RU cstecgi.cgi setNtpCfg os command injection
CVE-2026-5690 7.3 HIGH Totolink A7100RU cstecgi.cgi setRemoteCfg os command injection
CVE-2026-5691 7.3 HIGH Totolink A7100RU cstecgi.cgi setFirewallType os command injection
CVE-2026-5679 5.5 MEDIUM Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-5692

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