Trendnet TEW-657BRM 1.00.1 /setup.cgi ping_test c4_IPAddr os command injection

Summaryinfo

A vulnerability, which was classified as critical, was found in Trendnet TEW-657BRM 1.00.1. Affected by this vulnerability is the function ping_test of the file /setup.cgi. Executing a manipulation of the argument c4_IPAddr can lead to os command injection. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is handled as CVE-2026-5353. The attack can be executed remotely. Additionally, an exploit exists. The vendor confirms, that "[t]he product in question (...) has been discontinued and end of life since June 23, 2011, that is more than 14 years ago. We no longer provide support for this product, so we are not able to confirm the vulnerabilities. We will make an announcement on our website's product support page and notify customers who registered their products with us."

Detailsinfo

A vulnerability was found in Trendnet TEW-657BRM 1.00.1. It has been declared as critical. This vulnerability affects the function ping_test of the file /setup.cgi. The manipulation of the argument c4_IPAddr with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2026-5353. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor confirms, that "[t]he product in question (...) has been discontinued and end of life since June 23, 2011, that is more than 14 years ago. We no longer provide support for this product, so we are not able to confirm the vulnerabilities. We will make an announcement on our website's product support page and notify customers who registered their products with us."

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 best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Trendnet

Name

• TEW-657BRM

Version

• 1.00.1

License

• commercial

Support

• end of life

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Submitinfo

Accepted

• Submit #781566: TRENDnet TEW-657BRM 1.00.1 Command Injection (by panda_0x1)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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