A flaw has been found in TRENDnet TEW-821DAP up to 1.12B01. The impacted element is the function tools_diagnostic of the file /tmp/diagnostic of the component Firmware Udpate. This manipulation causes os command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. 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.
References
| Link | Resource |
|---|---|
| https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI2.md | Exploit Third Party Advisory |
| https://vuldb.com/submit/806216 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/360566 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/360566/cti | Permissions Required VDB Entry |
Configurations
Configuration 1 (hide)
| AND |
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History
06 May 2026, 20:24
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:h:trendnet:tew-821dap:1.0r:*:*:*:*:*:*:* cpe:2.3:o:trendnet:tew-821dap_firmware:1.12b01:*:*:*:*:*:*:* |
|
| First Time |
Trendnet
Trendnet tew-821dap Firmware Trendnet tew-821dap |
|
| References | () https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI2.md - Exploit, Third Party Advisory | |
| References | () https://vuldb.com/submit/806216 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/vuln/360566 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/vuln/360566/cti - Permissions Required, VDB Entry |
02 May 2026, 10:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-05-02 10:16
Updated : 2026-05-06 20:24
NVD link : CVE-2026-7609
Mitre link : CVE-2026-7609
CVE.ORG link : CVE-2026-7609
JSON object : View
Products Affected
trendnet
- tew-821dap_firmware
- tew-821dap