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.
Published: 2026-05-02
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 06 May 2026 20:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:h:trendnet:tew-821dap:1.0r:*:*:*:*:*:*:*
cpe:2.3:o:trendnet:tew-821dap_firmware:1.12b01:*:*:*:*:*:*:*

Mon, 04 May 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sat, 02 May 2026 08:45:00 +0000

Type Values Removed Values Added
First Time appeared Trendnet tew-821dap
Vendors & Products Trendnet tew-821dap

Sat, 02 May 2026 07:30:00 +0000

Type Values Removed Values Added
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.
Title TRENDnet TEW-821DAP Firmware Udpate auto_update_firmware buffer overflow
First Time appeared Trendnet
Trendnet tew-821dap Firmware
Weaknesses CWE-119
CWE-120
CPEs cpe:2.3:o:trendnet:tew-821dap_firmware:*:*:*:*:*:*:*:*
Vendors & Products Trendnet
Trendnet tew-821dap Firmware
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:ND/RL:ND/RC:UR'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:X/RL:X/RC:R'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X'}


Subscriptions

Trendnet Tew-821dap Tew-821dap Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-04T15:52:03.938Z

Reserved: 2026-05-01T12:07:28.408Z

Link: CVE-2026-7607

cve-icon Vulnrichment

Updated: 2026-05-04T15:51:58.676Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-02T08:16:28.197

Modified: 2026-05-06T20:23:57.667

Link: CVE-2026-7607

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-02T10:00:06Z

Weaknesses