CVE-2026-108804CWE-77CWE-78command-injection

CVE-2026-108804

Critical · published October 12, 2026

CVSS v3.1
10.0
EPSS
2%
Percentile
83.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
10.0 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
EPSS
0.02388 · 83.8th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-10-12T10:16Z
References (6)
https://github.com/dacj4n/TRENDNetExploits · [email protected]https://github.com/dacj4n/TRENDNetExploits/tree/main/exploit · [email protected]https://vuldb.com/cve/CVE-2026-108804 · [email protected]https://vuldb.com/submit/962770 · [email protected]https://vuldb.com/vuln/416581 · [email protected]https://vuldb.com/vuln/416581/cti · [email protected]
EPSS history
Timeline
  • 13 OCT 03:28Z
    EPSS moved — → 2%
    epss
  • 12 OCT 05:30Z
    TRENDnet TEW-751DR/TEW-752DRU/TEW733GR Web Management Backend pigwidgeon.cgi fwrite os command injection
    cvelistv5
  • 12 OCT 05:30Z
    TRENDnet TEW-751DR/TEW-752DRU/TEW733GR Web Management Backend pigwidgeon.cgi fwrite os command injection
    cvelistv5