TRENDnet TEW-657BRM 1.00.1 HTTP Parameter setup.cgi command/todo/next_file os command injection

Summaryinfo

A vulnerability has been found in TRENDnet TEW-657BRM 1.00.1 and classified as critical. Affected is an unknown function of the file setup.cgi of the component HTTP Parameter Handler. Performing a manipulation of the argument command/todo/next_file results in os command injection. This vulnerability is identified as CVE-2025-65202. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in TRENDnet TEW-657BRM 1.00.1. This affects an unknown part of the file setup.cgi of the component HTTP Parameter Handler. The manipulation of the argument command/todo/next_file with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

TRENDnet TEW-657BRM 1.00.1 has an authenticated remote OS command injection vulnerability in the setup.cgi binary, exploitable via the HTTP parameters "command", "todo", and "next_file," which allows an attacker to execute arbitrary commands with root privileges.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-65202 since 11/18/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/27/2025). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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

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Productinfo

Vendor

• TRENDnet

Name

• TEW-657BRM

Version

• 1.00.1

License

• commercial

CPE 2.3info

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CPE 2.2info

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