CVE-2026-10182 in TEW-432BRP
Summary
by MITRE • 05/31/2026
A vulnerability was determined in TRENDnet TEW-432BRP 3.10B20. The impacted element is the function formWlanSetup of the file /goform/formWlanSetup. Executing a manipulation of the argument enrollee can lead to command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor explains: "This product has been EOL for 15 years (since 2009). As the item has been EOL for such a long time, we are not able to replicate or fix any vulnerabilities." This vulnerability only affects products that are no longer supported by the maintainer.
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Analysis
by VulDB Data Team • 06/04/2026
The vulnerability identified in TRENDnet TEW-432BRP version 3.10B20 represents a critical command injection flaw within the wireless network configuration interface. This issue manifests in the formWlanSetup function located at /goform/formWlanSetup, where improper input validation allows malicious actors to manipulate the enrollee argument parameter. The vulnerability enables remote code execution through HTTP request manipulation, making it particularly dangerous for devices that remain operational despite their end-of-life status. The affected device model has been discontinued since 2009, yet continues to be deployed in various environments where legacy network infrastructure persists.
The technical exploitation of this vulnerability follows established patterns documented in CWE-77 and CWE-94, which categorize command injection and code injection flaws respectively. Attackers can leverage this weakness to execute arbitrary commands on the device with the privileges of the web server process, potentially gaining full administrative control over the wireless access point. The remote attack vector eliminates the need for physical access, allowing threat actors to compromise devices from anywhere on the network. This vulnerability directly maps to ATT&CK technique T1059.007 for command and scripting interpreter, specifically web shell usage, and T1021.001 for remote services. The exploitation process typically involves crafting malicious HTTP requests that pass unvalidated user input directly to system commands, bypassing normal input sanitization mechanisms.
The operational impact of this vulnerability extends beyond simple device compromise, as these legacy wireless access points often serve as critical network entry points in environments where newer security controls may not be implemented. Organizations utilizing end-of-life networking equipment face heightened risk of persistent threats, lateral movement, and potential data exfiltration through compromised wireless infrastructure. The vulnerability affects not only individual devices but also entire network segments that rely on these unsupported access points for connectivity. Given the device's 15-year end-of-life status, there are no official security updates or patches available from the vendor, leaving affected organizations with limited remediation options. The public disclosure of this exploit increases the likelihood of widespread compromise, particularly in environments where legacy network equipment remains operational due to budget constraints or lack of awareness about security risks.
The vendor's response regarding the device's end-of-life status reflects a common challenge in cybersecurity where manufacturers discontinue support for aging products, leaving customers vulnerable to known exploits. This situation exemplifies the risks associated with maintaining legacy network infrastructure and demonstrates how extended product lifecycles in network environments can create persistent security gaps. Organizations should implement immediate mitigations including network segmentation to isolate affected devices, deployment of network monitoring to detect exploitation attempts, and consideration of device replacement strategies. The vulnerability serves as a stark reminder of the importance of network asset inventory management and the necessity of maintaining up-to-date security policies that address end-of-life equipment. Given the lack of vendor support, organizations must consider alternative approaches such as network access control, intrusion detection systems, and regular vulnerability assessments to protect against exploitation of unsupported network infrastructure.