CVE-2026-7606: Insufficient Verification of Data Authenticity in TRENDnet TEW-821DAP
CVE-2026-7606 is a medium severity vulnerability in the TRENDnet TEW-821DAP router firmware version 1. 12B01. It involves insufficient verification of data authenticity in the firmware update handler, specifically in the find_hwid/new_gui_update_firmware function. The vulnerability can be exploited remotely but requires a high level of attack complexity and has difficult exploitability. The affected product is end-of-life and no longer supported or sold by the vendor. No official patch or remediation is available.
AI Analysis
Technical Summary
This vulnerability affects the TRENDnet TEW-821DAP device running firmware version 1.12B01. The issue lies in the firmware update handler component, where manipulation of the argument 'dest' can bypass proper verification of data authenticity. This could potentially allow an attacker to interfere with the firmware update process remotely. However, exploitation is considered highly complex and difficult. The affected hardware version is v1.xR, which has been end-of-life for over eight years, and the vendor no longer provides support or updates for this product.
Potential Impact
If exploited, this vulnerability could allow an attacker to manipulate the firmware update process on the affected device, potentially leading to unauthorized firmware modifications. However, the attack complexity is high, and the exploitability is difficult. Additionally, the affected product is no longer supported or sold, which limits the practical impact to existing legacy deployments only.
Mitigation Recommendations
No official patch or remediation is available for this vulnerability as the affected product is end-of-life and no longer supported by the vendor. Users should consider replacing the affected hardware with a supported device to mitigate any potential risks. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance if available.
CVE-2026-7606: Insufficient Verification of Data Authenticity in TRENDnet TEW-821DAP
Description
CVE-2026-7606 is a medium severity vulnerability in the TRENDnet TEW-821DAP router firmware version 1. 12B01. It involves insufficient verification of data authenticity in the firmware update handler, specifically in the find_hwid/new_gui_update_firmware function. The vulnerability can be exploited remotely but requires a high level of attack complexity and has difficult exploitability. The affected product is end-of-life and no longer supported or sold by the vendor. No official patch or remediation is available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the TRENDnet TEW-821DAP device running firmware version 1.12B01. The issue lies in the firmware update handler component, where manipulation of the argument 'dest' can bypass proper verification of data authenticity. This could potentially allow an attacker to interfere with the firmware update process remotely. However, exploitation is considered highly complex and difficult. The affected hardware version is v1.xR, which has been end-of-life for over eight years, and the vendor no longer provides support or updates for this product.
Potential Impact
If exploited, this vulnerability could allow an attacker to manipulate the firmware update process on the affected device, potentially leading to unauthorized firmware modifications. However, the attack complexity is high, and the exploitability is difficult. Additionally, the affected product is no longer supported or sold, which limits the practical impact to existing legacy deployments only.
Mitigation Recommendations
No official patch or remediation is available for this vulnerability as the affected product is end-of-life and no longer supported by the vendor. Users should consider replacing the affected hardware with a supported device to mitigate any potential risks. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance if available.
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: 5/2/2026, 7:36:33 AM
Last updated: 5/2/2026, 9:25:41 AM
Views: 4
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