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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-108804
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-12 06:16:59 UTC
Updated2026-10-13 13:29:12 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 9.3 CRITICAL from [email protected]

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.023880000 probability, percentile 0.834900000 (date 2026-10-12)

Problem Types: CWE-77 | CWE-78 | CWE-78 OS Command Injection | CWE-77 Command Injection

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary9.3CRITICALCVSS: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/C...
4.0CNADECLARED10CRITICALCVSS: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
3.1[email protected]Primary10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
3.0CNADECLARED10CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
2.0[email protected]Secondary10AV:N/AC:L/Au:N/C:C/I:C/A:C
2.0CNADECLARED10AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
High
Sub Integrity
High
Sub Availability
High

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TRENDnet TEW-751DR affected 1.03B01 Not specified
CNA TRENDnet TEW-751DR affected 1.03B03 Not specified
CNA TRENDnet TEW-752DRU affected 1.03B01 Not specified
CNA TRENDnet TEW-752DRU affected 1.03B03 Not specified
CNA TRENDnet TEW733GR affected 1.03B01 Not specified
CNA TRENDnet TEW733GR affected 1.03B03 Not specified

References

ReferenceSourceLinkTags
vuldb.com/vuln/416581 [email protected] vuldb.com
github.com/dacj4n/TRENDNetExploits [email protected] github.com
vuldb.com/cve/CVE-2026-108804 [email protected] vuldb.com
github.com/dacj4n/TRENDNetExploits/tree/main/exploit [email protected] github.com
vuldb.com/vuln/416581/cti [email protected] vuldb.com
vuldb.com/submit/962770 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: dacjun (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-10-11T00:00:00.000ZAdvisory disclosed
CNA2026-10-11T02:00:00.000ZVulDB entry created
CNA2026-10-11T11:46:18.000ZVulDB entry last update

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