RCE in Trendnet Tew-821dap
CVE-2026-7609
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 exploitat…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.041 (89.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Trendnet Tew-821dap — versions 1.0r, 1.12B01
- Trendnet Tew-821dap_firmware — versions 1.12b01
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit, patch)
Frequently asked questions
- What is CVE-2026-7609?
- CVE-2026-7609 is a medium-severity vulnerability in Trendnet Tew-821dap, classified under Command Injection. CVSS score: 6.3/10. Published 2026-05-02.
- How severe is CVE-2026-7609?
- Medium severity. CVSS v3 base score is 6.3 out of 10.