CVE-2026-5351CWE-77CWE-78

Trendnet TEW-657BRM setup.cgi add_wps_client os command injection

Medium · published April 2, 2026

CVSS v4.0
5.3
EPSS
6%
Percentile
93.0
In the wild
Unconfirmed
What it is

A weakness has been identified in Trendnet TEW-657BRM 1.00.1. This affects the function add_wps_client of the file /setup.cgi. This manipulation of the argument wl_enrolee_pin causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor confirms, that "[t]he product in question (...) has been discontinued and end of life since June 23, 2011, that is more than 14 years ago. We no longer provide support for this product, so we are not able to confirm the vulnerabilities. We will make an announcement on our website's product support page and notify customers who registered their products with us." 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:P
EPSS
0.05730 · 93.0th 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
2026-04-02T15:45Z
EPSS history
Timeline
  • 02 APR 15:45Z
    Trendnet TEW-657BRM setup.cgi add_wps_client os command injection
    cvelistv5