Totolink A7100RU OS Command Injection in CGI Handler igmpVer - 7.4cu.2313
CVE-2026-5852 Published on April 9, 2026

Totolink A7100RU CGI cstecgi.cgi setIptvCfg os command injection
A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

NVD

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-2026-5852 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-2026-5852 has been classified to as a Command Injection vulnerability or weakness.


Products Associated with CVE-2026-5852

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Affected Versions

Totolink A7100RU Version 7.4cu.2313_b20191024 is affected by CVE-2026-5852