CVE-2026-5354

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.

• CWE-77
• CWE-78

• https://github.com/panda666-888/vuls/blob/main/trendnet/tew-657brm/vpn_connect.mdExploit, Third Party Advisory
• https://vuldb.com/submit/781568Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/354707Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/354707/ctiPermissions Required, VDB Entry

Published

Apr 2, 2026

Last Modified

Jul 24, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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