CVE-2026-7606CWE-345

TRENDnet TEW-821DAP Firmware Update new_gui_update_firmware data authenticity

Medium · published May 2, 2026

CVSS v4.0
6.3
EPSS
0%
Percentile
22.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.3 · MEDIUM
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
EPSS
0.00310 · 22.7th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2026-05-02T06:45Z
EPSS history
Timeline
  • 02 MAY 06:45Z
    TRENDnet TEW-821DAP Firmware Update new_gui_update_firmware data authenticity
    cvelistv5