Totolink A7100RU 7.4cu: CGI cmd injection setIpv6LanCfg (addrPrefixLen)
CVE-2026-5853 Published on April 9, 2026
Totolink A7100RU CGI cstecgi.cgi setIpv6LanCfg os command injection
A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument addrPrefixLen leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly 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-2026-5853 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-2026-5853 has been classified to as a Command Injection vulnerability or weakness.
Products Associated with CVE-2026-5853
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