---
id: CVE-2026-108804
title: >-
  A vulnerability was detected in TRENDnet TEW-751DR, TEW-752DRU and TEW733GR
  1.03B01/1.03B03
summary: >-
  A vulnerability was detected in TRENDnet TEW-751DR, TEW-752DRU and TEW733GR
  1.03B01/1.03B03. Affected is the function fwrite of the file pigwidgeon.cgi of
  the component Web Management Backend. The manipulation of the argument service
  res…
severity: critical
cvss: 10
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-77
  - CWE-78
vendor: TRENDnet
product: TEW-751DR
affected:
  - TEW-751DR 1.03B01
  - TEW-751DR 1.03B03
  - TEW-752DRU 1.03B01
  - TEW-752DRU 1.03B03
  - TEW733GR 1.03B01
  - TEW733GR 1.03B03
published: '2026-10-12'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T16:17:37.873'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108804'
references:
  - url: 'https://github.com/dacj4n/TRENDNetExploits'
    label: cna@vuldb.com
  - url: 'https://github.com/dacj4n/TRENDNetExploits/tree/main/exploit'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-108804'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/962770'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416581'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416581/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.02318
epssPercentile: 0.83489
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-15T14:54:01.499867Z'
ingestedAt: '2026-10-12T14:50:34.091Z'
---

## Overview

A vulnerability was detected in TRENDnet TEW-751DR, TEW-752DRU and TEW733GR 1.03B01/1.03B03. Affected is the function fwrite of the file pigwidgeon.cgi of the component Web Management Backend. The manipulation of the argument service results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor confirms: "As this router was EOL'd in 2011, we have no way of testing if such vulnerability exists. We will notify our customers of a potential vulnerability on this product." 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.