CVE-2026-5351
MediumCVSS 6.3Exploitation Probability (EPSS)
Very high risk90th percentile - higher than 90% of all known CVEs
Summary
A weakness has been identified in Trendnet TEW-657BRM 1.00.1. The function add_wps_client in the file /setup.cgi is affected by OS command injection via manipulation of the argument wl_enrolee_pin. The attack can be launched remotely and the exploit has been made public. The vendor confirmed the product is end-of-life since 2011 and no patch will be released.
Risk Assessment
A remote attacker could execute arbitrary system commands on the device. Since the product is no longer supported, the risk is permanent and requires decommissioning.
Recommendation
Immediately decommission the device and replace it with a newer, supported model. No patch is available.
Original NVD description (English source)
A weakness has been identified in Trendnet TEW-657BRM 1.00.1. This affects the function add_wps_client of the file /setup.cgi. This manipulation of the argument wl_enrolee_pin causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. 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." This vulnerability only affects products that are no longer supported by the maintainer.

