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8.9
Totolink A7100RU Router: Remote Command Injection Risk
CVE-2026-6114
Summary
A security vulnerability in the Totolink A7100RU router's CGI Handler allows an attacker to execute unauthorized commands remotely. This could lead to unauthorized access and control of the router. Users should update their router's software to the latest version to mitigate this risk.
Original title
A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setNetworkCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing...
Original description
A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setNetworkCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument proto results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used.
nvd CVSS2.0
10.0
nvd CVSS3.1
9.8
nvd CVSS4.0
8.9
Vulnerability type
CWE-77
Command Injection
CWE-78
OS Command Injection
Published: 12 Apr 2026 · Updated: 12 Apr 2026 · First seen: 12 Apr 2026