CVE-2026-15486: OS Command Injection in TRENDnet TEW-821DAP
CVE-2026-15486 is a medium severity OS command injection vulnerability in TRENDnet TEW-821DAP firmware version 1.11B03. It affects the Firmware Update Handler component, specifically the /goform/tools_ddns endpoint, where manipulation of hostname, username, or password parameters can lead to command injection. The vulnerability can be exploited remotely. The affected product is no longer supported by the vendor, and no official patch or remediation is available.
AI Analysis
Technical Summary
The TRENDnet TEW-821DAP device running firmware version 1.11B03 contains an OS command injection vulnerability in the Firmware Update Handler's /goform/tools_ddns function (sub_42026C). This vulnerability arises from improper sanitization of input parameters (hostname, username, password), allowing remote attackers to execute arbitrary OS commands. The vendor has indicated that this product is end-of-life and does not confirm the vulnerability for other versions. No official remediation or patch has been provided.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device, potentially leading to unauthorized control or disruption of device functionality. Since the device is no longer supported, the risk remains unmitigated by vendor patches.
Mitigation Recommendations
No official fix or patch is available as the affected product is end-of-life and unsupported. Users should consider discontinuing use of the affected firmware version 1.11B03 and replacing the device with a supported model. Network-level controls such as restricting access to the device's management interface may reduce exposure.
CVE-2026-15486: OS Command Injection in TRENDnet TEW-821DAP
Description
CVE-2026-15486 is a medium severity OS command injection vulnerability in TRENDnet TEW-821DAP firmware version 1.11B03. It affects the Firmware Update Handler component, specifically the /goform/tools_ddns endpoint, where manipulation of hostname, username, or password parameters can lead to command injection. The vulnerability can be exploited remotely. The affected product is no longer supported by the vendor, and no official patch or remediation is available.
CVSS v4.0
Score 5.3medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The TRENDnet TEW-821DAP device running firmware version 1.11B03 contains an OS command injection vulnerability in the Firmware Update Handler's /goform/tools_ddns function (sub_42026C). This vulnerability arises from improper sanitization of input parameters (hostname, username, password), allowing remote attackers to execute arbitrary OS commands. The vendor has indicated that this product is end-of-life and does not confirm the vulnerability for other versions. No official remediation or patch has been provided.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device, potentially leading to unauthorized control or disruption of device functionality. Since the device is no longer supported, the risk remains unmitigated by vendor patches.
Mitigation Recommendations
No official fix or patch is available as the affected product is end-of-life and unsupported. Users should consider discontinuing use of the affected firmware version 1.11B03 and replacing the device with a supported model. Network-level controls such as restricting access to the device's management interface may reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-11T10:12:24.075Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a535bce68715ace43ac23ad
Added to database: 07/12/2026, 09:18:06 UTC
Last enriched: 07/12/2026, 09:32:33 UTC
Last updated: 07/13/2026, 00:14:30 UTC
Views: 14
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