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  4. CVE 2026 108804 trendnet tew 751drtew 752drutew733gr web
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Back to active CVEs
Critical · CVSS 10.0CVE-2026-108804

TRENDnet TEW-751DR/TEW-752DRU/TEW733GR Web Management Backend pigwidgeon.cgi fwrite os command injectionCVE-2026-108804

Answer in brief

CVE-2026-108804 records a Critical severity (CVSS 10.0) vulnerability in TRENDnet TEW-751DR/TEW-752DRU/TEW733GR Web Management Backend pigwidgeon.cgi fwrite os command injection. The current sources do not mark it as known exploited. The current feed maps TRENDnet/TEW733GR (generic), TRENDnet/TEW-751DR (generic), TRENDnet/TEW-752DRU (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 12, 2026Updated Oct 12, 2026Source checked Oct 12, 2026First seen by HOL Oct 12, 2026Material review Oct 12, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 10.0
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps TRENDnet/TEW733GR (generic), TRENDnet/TEW-751DR (generic), TRENDnet/TEW-752DRU (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
TRENDnet/TEW733GRgeneric1.03B01 || 1.03B03Not reported
TRENDnet/TEW-751DRgeneric1.03B01 || 1.03B03Not reported
TRENDnet/TEW-752DRUgeneric1.03B01 || 1.03B03Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for TRENDnet/TEW733GR, TRENDnet/TEW-751DR, TRENDnet/TEW-752DRU.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 12, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Command Injection
EPSS
Not reported
CWE IDs
CWE-78, CWE-77
Source
CVE List V5
Source checked
Oct 12, 2026
References
6 linked sources
Open source record