CVE-2026-7611: Insufficient Verification of Data Authenticity in TRENDnet TEW-821DAP
A vulnerability was found in TRENDnet TEW-821DAP up to 1.12B01. This impacts the function platform_do_upgrade_cameo_dev of the file cameo_dev.sh of the component Firmware Update Handler. Performing a manipulation results in insufficient verification of data authenticity. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is said to be 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 affects the firmware update handler component of TRENDnet TEW-821DAP devices running version 1.12B01. The flaw is due to insufficient verification of data authenticity during the firmware upgrade process, which could potentially allow an attacker to manipulate the update mechanism remotely. However, exploitation is difficult due to the high complexity and lack of privileges required. The affected hardware version is v1.xR, which TRENDnet has discontinued and no longer sells.
Potential Impact
If exploited, this vulnerability could allow an attacker to interfere with the firmware update process remotely. However, the attack complexity is high, and no known exploits are reported in the wild. Since the affected product is end-of-life and unsupported, no official patches or updates are available. The impact is limited to devices still running this outdated firmware and hardware version.
Mitigation Recommendations
No official patch or remediation is available because the affected product is end-of-life and no longer supported by TRENDnet. 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 any new information becomes available.
CVE-2026-7611: Insufficient Verification of Data Authenticity in TRENDnet TEW-821DAP
Description
A vulnerability was found in TRENDnet TEW-821DAP up to 1.12B01. This impacts the function platform_do_upgrade_cameo_dev of the file cameo_dev.sh of the component Firmware Update Handler. Performing a manipulation results in insufficient verification of data authenticity. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is said to be 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 affects the firmware update handler component of TRENDnet TEW-821DAP devices running version 1.12B01. The flaw is due to insufficient verification of data authenticity during the firmware upgrade process, which could potentially allow an attacker to manipulate the update mechanism remotely. However, exploitation is difficult due to the high complexity and lack of privileges required. The affected hardware version is v1.xR, which TRENDnet has discontinued and no longer sells.
Potential Impact
If exploited, this vulnerability could allow an attacker to interfere with the firmware update process remotely. However, the attack complexity is high, and no known exploits are reported in the wild. Since the affected product is end-of-life and unsupported, no official patches or updates are available. The impact is limited to devices still running this outdated firmware and hardware version.
Mitigation Recommendations
No official patch or remediation is available because the affected product is end-of-life and no longer supported by TRENDnet. 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 any new information becomes available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-01T12:07:42.405Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f5c91ccbff5d8610c82157
Added to database: 5/2/2026, 9:51:24 AM
Last enriched: 5/10/2026, 2:09:01 AM
Last updated: 6/15/2026, 7:51:48 PM
Views: 72
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