Totolink A7100RU 7.4cu.2313_b20191024 CGI /cgi-bin/cstecgi.cgi setMiniuiHomeInfoShow lan_info os command injection

Summaryinfo

A vulnerability marked as critical has been reported in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setMiniuiHomeInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument lan_info leads to os command injection. This vulnerability is traded as CVE-2026-5995. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024 and classified as critical. This issue affects the function setMiniuiHomeInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument lan_info with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product 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. Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-5995. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is available at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• Totolink

Name

• A7100RU

Version

• 7.4cu.2313_b20191024

License

• commercial

Website

• Vendor: https://www.totolink.net/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #792043: Totolink A7100RU 7.4cu.2313_b20191024 Command Injection (by LtzHust)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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