CVE-2026-5352
MediumCVSS 6.3Exploitation Probability (EPSS)
High risk90th percentile - higher than 90% of all known CVEs
Summary
An OS command injection vulnerability was found in Trendnet TEW-657BRM router version 1.00.1 in the Edit function of the /setup.cgi file. Manipulating the pcdb_list argument allows remote command execution. The vendor confirmed the product is discontinued and unsupported since 2011.
Risk Assessment
Since the device is end-of-life and receives no patches, the vulnerability remains unpatched, exposing users to remote takeover of the router.
Recommendation
Immediately replace the router with a newer model that is still supported by the vendor.
Original NVD description (English source)
A security vulnerability has been detected in Trendnet TEW-657BRM 1.00.1. This impacts the function Edit of the file /setup.cgi. Such manipulation of the argument pcdb_list leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly 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.