6.3Medium
CVE-2026-15486TRENDnet TEW-821DAP Firmware Update tools_ddns sub_42026C os command injection
Description
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.
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| TRENDnet | TEW-821DAP | 1.11B03 | |
| trendnet | tew-821dap firmware | — |
References and patches
- VDB-377793 | TRENDnet TEW-821DAP Firmware Update tools_ddns sub_42026C os command injection vdb-entrytechnical-description
- VDB-377793 | CTI Indicators (IOB, IOC, TTP, IOA) signature
- CVE-2026-15486 | CVE Analysis and Report third-party-advisory
- Submit #842383 | Trendnet TEW-821DAP v1.11B03 CWE-78 Improper Neutralization of Special Elements used in an O third-party-advisory
- https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI4.md patch