TRENDnet TEW-751DR/TEW-752DRU/TEW733GR 1.03B01/1.03B03 Web Management Backend pigwidgeon.cgi fwrite service os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k1.35+

Summaryinfo

A vulnerability marked as very critical has been reported in TRENDnet TEW-751DR, TEW-752DRU and TEW733GR 1.03B01/1.03B03. Affected by this vulnerability is the function fwrite of the file pigwidgeon.cgi of the component Web Management Backend. This manipulation of the argument service causes os command injection. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is handled as CVE-2026-108804. The attack can be initiated remotely. Additionally, an exploit exists. 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."

Detailsinfo

A vulnerability was found in TRENDnet TEW-751DR, TEW-752DRU and TEW733GR 1.03B01/1.03B03. It has been declared as very critical. Affected by this vulnerability is the function fwrite of the file pigwidgeon.cgi of the component Web Management Backend. The manipulation of the argument service with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-108804. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/11/2026). MITRE ATT&CK project uses the attack technique T1202 for this issue.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. 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."

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Support

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.1

VulDB Base Score: 10.0
VulDB Temp Score: 9.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/11/2026 Advisory disclosed
10/11/2026 +0 days VulDB entry created
10/11/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-108804 (🔒)
GCVE (CVE): GCVE-0-2026-108804
GCVE (VulDB): GCVE-100-416581
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/11/2026 11:46
Changes: 10/11/2026 11:46 (59)
Complete: 🔍
Submitter: dacjun
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #962770: TRENDnet TEW-751DR, TEW-752DRU, TEW733GR TEW-751DR v1.03B03, TEW-752DRU v1.03B01, TEW733GR v1.03B01 OS Command Injection (by dacjun)

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