Totolink A7100RU 7.4cu.2313_b20191024 Remote CMD Injection via MAC arg
CVE-2026-6138 Published on April 13, 2026
Totolink A7100RU CGI cstecgi.cgi setAccessDeviceCfg os command injection
A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mac causes os command injection. The attack can be initiated remotely. The exploit has been published and may be used.
Timeline
Advisory disclosed
VulDB entry created
VulDB entry last update
Weakness Types
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2026-6138 has been classified to as a Shell injection vulnerability or weakness.
What is a Command Injection Vulnerability?
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CVE-2026-6138 has been classified to as a Command Injection vulnerability or weakness.
Products Associated with CVE-2026-6138
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