CVE-2026-15486: TRENDnet Tew-821dap

Medium severity, CVSS 6.3. EPSS: 1.8% chance of exploitation in the next 30 days.

A vulnerability has been found in TRENDnet TEW-821DAP 1.11B03. This affects the function sub_42026C of the file /goform/tools_ddns of the component Firmware Update Handler. Such manipulation of the argument hostname/username/password leads to os command injection. The attack can be launched remotely. The vendor explains: "We are unable to confirm the existence of the vulnerabilities for (...) TEW-821DAP (v1.0R) as these items have been EOL. " This vulnerability only affects products that are no longer supported by the maintainer.

Affected products

• TRENDnet Tew-821dap: version 1.11B03 only

Published 2026-07-12. Last modified 2026-07-13.