CVE-2026-7607: Buffer Overflow in TRENDnet TEW-821DAP
A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function auto_update_firmware of the component Firmware Udpate. The manipulation of the argument str leads to buffer overflow. The attack may be initiated remotely. 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 TRENDnet TEW-821DAP device running firmware version 1.12B01. The issue is a buffer overflow in the auto_update_firmware function caused by manipulation of the input argument 'str'. The vulnerability can be exploited remotely without user interaction or privileges. The affected hardware version is v1.xR, which TRENDnet has discontinued and no longer supports. No official patch or remediation is available from the vendor due to the product's EOL status.
Potential Impact
Successful exploitation of this buffer overflow could allow remote attackers to cause a denial of service or potentially execute arbitrary code on the affected device. However, since the product is no longer supported or sold, the risk is limited to existing deployed devices still running the vulnerable firmware. There are no known exploits in the wild at this time.
Mitigation Recommendations
No official fix or patch is available because the affected product has been end-of-life for 8 years and is no longer supported by TRENDnet. Users should consider replacing the affected hardware with a supported device to mitigate risk. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance if any becomes available.
CVE-2026-7607: Buffer Overflow in TRENDnet TEW-821DAP
Description
A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function auto_update_firmware of the component Firmware Udpate. The manipulation of the argument str leads to buffer overflow. The attack may be initiated remotely. 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 8.7high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the TRENDnet TEW-821DAP device running firmware version 1.12B01. The issue is a buffer overflow in the auto_update_firmware function caused by manipulation of the input argument 'str'. The vulnerability can be exploited remotely without user interaction or privileges. The affected hardware version is v1.xR, which TRENDnet has discontinued and no longer supports. No official patch or remediation is available from the vendor due to the product's EOL status.
Potential Impact
Successful exploitation of this buffer overflow could allow remote attackers to cause a denial of service or potentially execute arbitrary code on the affected device. However, since the product is no longer supported or sold, the risk is limited to existing deployed devices still running the vulnerable firmware. There are no known exploits in the wild at this time.
Mitigation Recommendations
No official fix or patch is available because the affected product has been end-of-life for 8 years and is no longer supported by TRENDnet. Users should consider replacing the affected hardware with a supported device to mitigate risk. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance if any becomes available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-01T12:07:28.408Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f5a639cbff5d8610ad4fc5
Added to database: 5/2/2026, 7:22:33 AM
Last enriched: 5/10/2026, 2:11:23 AM
Last updated: 6/16/2026, 11:57:25 AM
Views: 71
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