CVE-2026-108804 Details
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.
An OS command injection vulnerability has been identified in TRENDnet routers TEW-751DR, TEW-752DRU, and TEW-733GR, running firmware versions 1.03B01 or 1.03B03. The issue arises in the 'fwrite' function of 'pigwidgeon.cgi' within the Web Management Backend. By manipulating the 'service' argument, it is possible to inject and execute arbitrary OS commands. This vulnerability can be exploited remotely.
No official remediation is available, as the product is no longer supported by the vendor.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 12, 2026CISA-ADP
Assessed Oct 15, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/dacj4n/TRENDNetExploits | [email protected] | Broken Link |
| https://github.com/dacj4n/TRENDNetExploits/tree/main/exploit | [email protected] | Broken LinkExploit |
| https://vuldb.com/cve/CVE-2026-108804 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/962770 | [email protected] | Permission Required |
| https://vuldb.com/vuln/416581 | [email protected] | Permission Required |
| https://vuldb.com/vuln/416581/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| TRENDnet TEW-751DR | 1.03B01 1.03B03 |
CPE
Remediation
| |
| TRENDnet TEW-752DRU | 1.03B01 1.03B03 |
CPE
Remediation
| |
| TRENDnet TEW-733GR | 1.03B01 1.03B03 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 15, 2026 | CVE Modified | CISA-ADP |
| Oct 12, 2026 | New CVE Received | [email protected] |