CVE-2026-7608: TRENDnet TEW-821DAP tools_diagnostic os command injection

Severity: high (CVSS 8.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-02 · updated 2026-10-26
Weakness: CWE-77

Description

A vulnerability was detected in TRENDnet TEW-821DAP up to 1.12B01. The affected element is the function tools_diagnostic. The manipulation results in os command injection. The exploit is now public 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.

Affected products

TRENDnet TEW-821DAP: 1.12b01

References

https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_CI1.md
https://vuldb.com/submit/806215
https://vuldb.com/vuln/360565
https://vuldb.com/vuln/360565/cti

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