TOTOLINK LR350 9.3.5u.6369_B20220309 /cgi-bin/cstecgi.cgi setWanCfg Hostname command injection

Summaryinfo

A vulnerability identified as critical has been detected in TOTOLINK LR350 9.3.5u.6369_B20220309. The impacted element is the function setWanCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument Hostname causes command injection. This vulnerability is registered as CVE-2024-7214. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability has been found in TOTOLINK LR350 9.3.5u.6369_B20220309 and classified as critical. Affected by this vulnerability is the function setWanCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument hostName with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product 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. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2024-7214. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• TOTOLINK

Name

• LR350

Version

• 9.3.5u.6369_B20220309

License

• commercial

Website

• Vendor: https://www.totolink.net/

CPE 2.3info

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Submitinfo

Accepted

• Submit #378319: TOTOLINK LR350 V9.3.5u.6369_B20220309 Buffer Overflow (by yhryhryhr_miemie)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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