CVE-2026-15486

Summary

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 Software

Weaknesses

• CWE-78: OS Command Injection
• CWE-77: Command Injection

References

• https://vuldb.com/vuln/377793
• https://vuldb.com/vuln/377793/cti
• https://vuldb.com/cve/CVE-2026-15486
• https://vuldb.com/submit/842383
• https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI4.md

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