CVE-2026-5354
MediumCVSS 6.3Exploitation Probability (EPSS)
Very high risk91th percentile - higher than 91% of all known CVEs
Summary
A flaw has been found in Trendnet TEW-657BRM 1.00.1. The function vpn_connect in the file /setup.cgi is affected by OS command injection via manipulation of the argument policy_name. The attack can be launched remotely and the exploit has been published. 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 flaw has been found in Trendnet TEW-657BRM 1.00.1. Affected by this vulnerability is the function vpn_connect of the file /setup.cgi. Executing a manipulation of the argument policy_name can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. 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.