---
id: CVE-2026-15483
title: A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01
summary: >-
  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 over…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-120
published: '2026-07-12'
updated: '2026-07-12'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-15483'
references:
  - url: >-
      https://github.com/IOTRes/IOT_Firmware_Update/blob/main/Trendnet/TEW-821DAP_BO2.md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-15483'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/842380'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/377790'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/377790/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-07-12T07:19:53.901Z'
epss: 0.00792
epssPercentile: 0.54452
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.