PT-2026-36585 · Trendnet · Tew-821Dap

Iot_Res · Published 2026-05-02 · Updated 2026-05-02 · CVE-2026-7606

Mitre

CVSS v3.1

3.7

Low

Base vector

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

A weakness has been identified in TRENDnet TEW-821DAP 1.12B01. This issue affects the function find hwid/new gui update firmware of the component Firmware Update Handler. Executing a manipulation of the argument dest can lead to insufficient verification of data authenticity. The attack can be launched remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". This vulnerability only affects products that are no longer supported by the maintainer.

Fix

Insufficient Verification of Data Authenticity

Weakness Enumeration

CWE-345

Related Identifiers

CVE-2026-7606

Affected Products

Tew-821Dap

References · 5

• https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_Auth.md · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-7606 · Security Note
• https://vuldb.com/submit/806213 · Note
• https://vuldb.com/vuln/360563 · Note
• https://vuldb.com/vuln/360563/cti · Note