CVE-2026-15486: OS Command Injection in TRENDnet TEW-821DAP
A vulnerability has been found in TRENDnet TEW-821DAP 1.11B03. This affects the function sub_42026C of the file /goform/tools_ddns of the component Firmware Update Handler. Such manipulation of the argument hostname/username/password leads to os command injection. The attack can be launched remotely. The vendor explains: "We are unable to confirm the existence of the vulnerabilities for (...) TEW-821DAP (v1.0R) as these items have been EOL. " This vulnerability only affects products that are no longer supported by the maintainer.
AI Analysis
Technical Summary
This vulnerability in TRENDnet TEW-821DAP 1.11B03 involves OS command injection via the Firmware Update Handler's sub_42026C function in the /goform/tools_ddns endpoint. By manipulating input parameters such as hostname, username, or password, an attacker can execute arbitrary OS commands remotely. The vendor has indicated that the affected product is end-of-life and does not confirm the vulnerability for other versions. No remediation level or patch is provided, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device, potentially compromising device integrity and confidentiality. Since the product is no longer supported, the risk remains unmitigated by official fixes.
Mitigation Recommendations
No official patch or remediation is available as the affected product is end-of-life and unsupported. Users should consider discontinuing use of the affected device or isolating it from untrusted networks to reduce exposure. Monitor vendor communications for any updates, though none are expected.
CVE-2026-15486: OS Command Injection in TRENDnet TEW-821DAP
Description
A vulnerability has been found in TRENDnet TEW-821DAP 1.11B03. This affects the function sub_42026C of the file /goform/tools_ddns of the component Firmware Update Handler. Such manipulation of the argument hostname/username/password leads to os command injection. The attack can be launched remotely. The vendor explains: "We are unable to confirm the existence of the vulnerabilities for (...) TEW-821DAP (v1.0R) as these items have been EOL. " This vulnerability only affects products that are no longer supported by the maintainer.
CVSS v4.0
Score 5.3medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in TRENDnet TEW-821DAP 1.11B03 involves OS command injection via the Firmware Update Handler's sub_42026C function in the /goform/tools_ddns endpoint. By manipulating input parameters such as hostname, username, or password, an attacker can execute arbitrary OS commands remotely. The vendor has indicated that the affected product is end-of-life and does not confirm the vulnerability for other versions. No remediation level or patch is provided, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device, potentially compromising device integrity and confidentiality. Since the product is no longer supported, the risk remains unmitigated by official fixes.
Mitigation Recommendations
No official patch or remediation is available as the affected product is end-of-life and unsupported. Users should consider discontinuing use of the affected device or isolating it from untrusted networks to reduce exposure. Monitor vendor communications for any updates, though none are expected.
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: 07/19/2026, 19:14:39 UTC
Last updated: 08/26/2026, 22:52:08 UTC
Views: 116
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