CVE-2026-15487: OS Command Injection in TRENDnet TEW-821DAP
CVE-2026-15487 is a medium severity OS command injection vulnerability in the TRENDnet TEW-821DAP firmware version 1.11B03. It affects the Firmware Update Handler component, specifically the /goform/system_ntp endpoint, where manipulation of the Hostname argument 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
This vulnerability exists in TRENDnet TEW-821DAP version 1.11B03 within the Firmware Update Handler's /goform/system_ntp function (sub_41FBD0). An attacker can remotely manipulate the Hostname parameter to perform OS command injection. The vendor has indicated that the affected device is end-of-life (EOL) and does not confirm the vulnerability for other versions. No remediation or patch has been provided by the vendor.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary OS commands remotely on the affected device, potentially compromising device integrity and confidentiality. Given the medium CVSS score (5.3), the impact is significant but not critical. The vulnerability affects only the specified firmware version and no known exploits are reported in the wild.
Mitigation Recommendations
No official patch or remediation is available as the affected product is end-of-life and no longer supported by the vendor. Users should consider replacing the affected device with a supported model to mitigate risk. Patch status is not yet confirmed by the vendor; check for any future advisories.
CVE-2026-15487: OS Command Injection in TRENDnet TEW-821DAP
Description
CVE-2026-15487 is a medium severity OS command injection vulnerability in the TRENDnet TEW-821DAP firmware version 1.11B03. It affects the Firmware Update Handler component, specifically the /goform/system_ntp endpoint, where manipulation of the Hostname argument 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
This vulnerability exists in TRENDnet TEW-821DAP version 1.11B03 within the Firmware Update Handler's /goform/system_ntp function (sub_41FBD0). An attacker can remotely manipulate the Hostname parameter to perform OS command injection. The vendor has indicated that the affected device is end-of-life (EOL) and does not confirm the vulnerability for other versions. No remediation or patch has been provided by the vendor.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary OS commands remotely on the affected device, potentially compromising device integrity and confidentiality. Given the medium CVSS score (5.3), the impact is significant but not critical. The vulnerability affects only the specified firmware version and no known exploits are reported in the wild.
Mitigation Recommendations
No official patch or remediation is available as the affected product is end-of-life and no longer supported by the vendor. Users should consider replacing the affected device with a supported model to mitigate risk. Patch status is not yet confirmed by the vendor; check for any future advisories.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-11T10:12:26.832Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a535bce68715ace43ac2394
Added to database: 07/12/2026, 09:18:06 UTC
Last enriched: 07/12/2026, 09:32:53 UTC
Last updated: 07/12/2026, 19:47:34 UTC
Views: 10
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.