CVE-2026-7606 MEDIUM

CVE-2026-7606: TRENDnet TEW-821DAP Firmware Update new_gui_update_firmware data authenticity

Vendor Trendnet
Product TEW-821DAP
Weakness CWE-345
Published May 2, 2026
Last update May 4, 2026

CVSS base score

6.3/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 2, 2026 CVE published
May 4, 2026 Record updated