CVE-2026-15483

High

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.

SeverityHigh

CVSS8.8

Exploit probability47. percentile0.6%

ProductTrendnet Tew-821dap Firmware

PublishedJul 12, 2026

First seenJul 12, 2026

Weakness typeCWE-120CWE-120 CWE-119Memory buffer bounds error

How to fix

Patches

github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO2.md

Affected products

Product	Affected versions	Fixed in
trendnet tew-821dap_firmware	1.12B01	—

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