PT-2026-57531 · Trendnet · Tew-821Dap

Iot_Res · Published 2026-07-12 · Updated 2026-07-12 · CVE-2026-15486

Mitre

CVSS v3.1

6.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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.

Fix

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-15486

Affected Products

Tew-821Dap

References · 6

• https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI4.md · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-15486 · Security Note
• https://vuldb.com/cve/CVE-2026-15486 · Note
• https://vuldb.com/vuln/377793/cti · Note
• https://vuldb.com/submit/842383 · Note
• https://vuldb.com/vuln/377793 · Note