CVE-2026-15487: TRENDnet TEW-821DAP Firmware Update system_ntp sub_41FBD0 os command injection
A vulnerability was found in TRENDnet TEW-821DAP 1.11B03. This impacts the function sub41FBD0 of the file /goform/systemntp of the component Firmware Update Handler. Performing a manipulation of the argument Hostname results in os command injection. The attack may be initiated 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-15487?
CVE-2026-15487 has a medium severity rating of 6.3.
What type of vulnerability is CVE-2026-15487?
CVE-2026-15487 is classified as an OS command injection vulnerability.
How can an attacker exploit CVE-2026-15487?
An attacker can exploit CVE-2026-15487 by manipulating the argument Hostname when using the Firmware Update Handler.
What devices are affected by CVE-2026-15487?
CVE-2026-15487 affects the TRENDnet TEW-821DAP device running firmware version 1.11B03.
How do I fix CVE-2026-15487?
To fix CVE-2026-15487, update the TRENDnet TEW-821DAP firmware to the latest version provided by the vendor.