What is CVE-2026-15487?

CVE-2026-15487 is a medium-severity vulnerability in Trendnet Tew-821dap, classified under Command Injection. CVSS score: 6.3/10. Published 2026-07-12.

How severe is CVE-2026-15487?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Trendnet Tew-821dap

CVE-2026-15487

A vulnerability was found in TRENDnet TEW-821DAP 1.11B03. This impacts the function sub_41FBD0 of the file /goform/system_ntp 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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.018 (76.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Trendnet Tew-821dap — versions 1.11B03

Weakness classification (CWE)

References

cna@vuldb.com (patch)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-15487?: CVE-2026-15487 is a medium-severity vulnerability in Trendnet Tew-821dap, classified under Command Injection. CVSS score: 6.3/10. Published 2026-07-12.
How severe is CVE-2026-15487?: Medium severity. CVSS v3 base score is 6.3 out of 10.