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8.9
Totolink A7100RU: Malicious commands can be executed remotely
CVE-2026-5993
Summary
A vulnerability in the Totolink A7100RU router's web interface allows an attacker to execute malicious commands on the device, potentially giving them control over the router. This could lead to unauthorized access or changes to the network settings. To mitigate this risk, update your router's firmware to the latest version.
Original title
A vulnerability was identified in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such ...
Original description
A vulnerability was identified in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument wifiOff leads to os command injection. The attack can be executed remotely. The exploit is publicly available and might 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: 10 Apr 2026 · Updated: 10 Apr 2026 · First seen: 10 Apr 2026