CVE-2026-15487CWE-77CWE-78

TRENDnet TEW-821DAP Firmware Update system_ntp sub_41FBD0 os command injection

Medium · published July 12, 2026

CVSS v4.0
5.3
EPSS
2%
Percentile
77.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
EPSS
0.01768 · 77.9th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-07-12T08:30Z
EPSS history
Timeline
  • 12 JUL 08:30Z
    TRENDnet TEW-821DAP Firmware Update system_ntp sub_41FBD0 os command injection
    cvelistv5