CVE-2026-7606: Insufficient Verification of Data Authenticity in TRENDnet TEW-821DAP
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.
AI Analysis
Technical Summary
This vulnerability in TRENDnet TEW-821DAP 1.12B01 involves insufficient verification of data authenticity in the firmware update process. The issue resides in the find_hwid/new_gui_update_firmware function of the Firmware Update Handler component, where manipulation of the argument dest can bypass proper authenticity checks. The vulnerability is remotely exploitable but requires a high level of complexity to achieve. The affected hardware version is v1.xR, which has been end-of-life for eight years, and no patches or official remediation are available.
Potential Impact
Successful exploitation could allow an attacker to manipulate the firmware update process, potentially leading to unauthorized firmware modifications. However, the exploitability is difficult, and the affected device is no longer supported or sold by the vendor, limiting the practical impact. There are no known exploits in the wild.
Mitigation Recommendations
No official patch or remediation is available due to the product being end-of-life and unsupported for eight years. Users should consider discontinuing use of the affected hardware and migrating to supported devices. Patch status is not confirmed; check vendor communications for any updates, though none are expected.
CVE-2026-7606: Insufficient Verification of Data Authenticity in TRENDnet TEW-821DAP
Description
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.
CVSS v4.0
Score 6.3medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in TRENDnet TEW-821DAP 1.12B01 involves insufficient verification of data authenticity in the firmware update process. The issue resides in the find_hwid/new_gui_update_firmware function of the Firmware Update Handler component, where manipulation of the argument dest can bypass proper authenticity checks. The vulnerability is remotely exploitable but requires a high level of complexity to achieve. The affected hardware version is v1.xR, which has been end-of-life for eight years, and no patches or official remediation are available.
Potential Impact
Successful exploitation could allow an attacker to manipulate the firmware update process, potentially leading to unauthorized firmware modifications. However, the exploitability is difficult, and the affected device is no longer supported or sold by the vendor, limiting the practical impact. There are no known exploits in the wild.
Mitigation Recommendations
No official patch or remediation is available due to the product being end-of-life and unsupported for eight years. Users should consider discontinuing use of the affected hardware and migrating to supported devices. Patch status is not confirmed; check vendor communications for any updates, though none are expected.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-01T12:07:25.142Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f5a639cbff5d8610ad4fbf
Added to database: 5/2/2026, 7:22:33 AM
Last enriched: 5/10/2026, 2:10:34 AM
Last updated: 6/16/2026, 11:44:21 AM
Views: 112
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