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

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-108804

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-108804

TEW-751DR

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

TEW-752DRU

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

TEW733GR

Source reference: /containers/cna/affected/2/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "cpes": [
      "cpe:2.3:a:trendnet:tew-751dr:*:*:*:*:*:*:*:*"
    ],
    "vendor": "TRENDnet",
    "modules": [
      "Web Management Backend"
    ],
    "product": "TEW-751DR",
    "versions": [
      {
        "status": "affected",
        "version": "1.03B01"
      },
      {
        "status": "affected",
        "version": "1.03B03"
      }
    ]
  },
  {
    "cpes": [
      "cpe:2.3:a:trendnet:tew-752dru:*:*:*:*:*:*:*:*"
    ],
    "vendor": "TRENDnet",
    "modules": [
      "Web Management Backend"
    ],
    "product": "TEW-752DRU",
    "versions": [
      {
        "status": "affected",
        "version": "1.03B01"
      },
      {
        "status": "affected",
        "version": "1.03B03"
      }
    ]
  },
  {
    "cpes": [
      "cpe:2.3:a:trendnet:tew733gr:*:*:*:*:*:*:*:*"
    ],
    "vendor": "TRENDnet",
    "modules": [
      "Web Management Backend"
    ],
    "product": "TEW733GR",
    "versions": [
      {
        "status": "affected",
        "version": "1.03B01"
      },
      {
        "status": "affected",
        "version": "1.03B03"
      }
    ]
  }
]
Related CVEs
CVE-2026-108804

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Event
#28904 · Revision 1
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Publisher date
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