CVE-2026-5353 | Trendnet TEW-657BRM 1.00.1 /setup.cgi ping_test c4_IPAddr os command injection
A vulnerability, which was classified as critical, has been found in Trendnet TEW-657BRM 1.00.1. Affected is the function ping_test of the file /setup.cgi. Performing a manipulation of the argument c4_IPAddr results in os command injection. This vulnerability only affects products that are no longer supported by the maintainer.
This vulnerability is known as CVE-2026-5353. Remote exploitation of the attack is possible. Furthermore, an exploit is available.
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."