Vulnerability Intelligence Report
TRENDnet TEW-751DR/TEW-752DRU/TEW733GR Web Management Backend pigwidgeon.cgi fwrite os command injection
CVE-2026-108804
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.
Injection
No Active Exploit Signals
CVSS Base Score
10.0
CRITICAL
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-78 ↗OS Command Injection
CWE-77 ↗Command Injection
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| TRENDnet | TEW-751DR | 1.03B01 (affected), 1.03B03 (affected) |
| TRENDnet | TEW-752DRU | 1.03B01 (affected), 1.03B03 (affected) |
| TRENDnet | TEW733GR | 1.03B01 (affected), 1.03B03 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Vulnerability Class
Injection
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulDB · Researcher · Switzerland |
| Reserved | 2026-10-11T09:41:13 |
| Published | 2026-10-12T05:30:17 |
| Last Updated | 2026-10-12T05:30:17 |
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