CVE-2026-15483: TRENDnet TEW-821DAP: Remote Code Execution Through Buffer Overflow

Summary

A vulnerability in an older version of the TRENDnet TEW-821DAP router allows hackers to remotely execute code on the device. This only affects devices that are no longer supported by the manufacturer, so there's no need to take immediate action. However, if you still use this router, you should consider replacing it with a newer, supported model to ensure your network remains secure.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software

Vendor	Product	Affected versions
trendnet	tew-821dap	1.12B01

Original title

A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation of the argum...

Original description

A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function sub_41EC14 of the file /goform/tools_nslookup of the component ssi. The manipulation of the argument nslookup_target leads to buffer overflow. It is possible to initiate the attack remotely. The vendor explains: "We are unable to confirm the existence of the vulnerabilities for (...) TEW-821DAP (v1.0R) as these items have been EOL. " This vulnerability only affects products that are no longer supported by the maintainer.

nvd CVSS2.0 9.0

nvd CVSS3.1 8.8

nvd CVSS4.0 8.7

Vulnerability type

CWE-119 Buffer Overflow

CWE-120 Classic Buffer Overflow