CVE-2026-5354

A flaw has been found in Trendnet TEW-657BRM 1.00.1. Affected by this vulnerability is the function vpn_connect of the file /setup.cgi. Executing a manipulation of the argument policy_name can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. 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.
References
Link Resource
https://github.com/panda666-888/vuls/blob/main/trendnet/tew-657brm/vpn_connect.md Exploit Third Party Advisory
https://vuldb.com/submit/781568 Third Party Advisory VDB Entry
https://vuldb.com/vuln/354707 Third Party Advisory VDB Entry
https://vuldb.com/vuln/354707/cti Permissions Required VDB Entry
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:trendnet:tew-657brm_firmware:1.00.1:*:*:*:*:*:*:*
cpe:2.3:h:trendnet:tew-657brm:-:*:*:*:*:*:*:*

History

07 Apr 2026, 17:24

Type Values Removed Values Added
CPE cpe:2.3:o:trendnet:tew-657brm_firmware:1.00.1:*:*:*:*:*:*:*
cpe:2.3:h:trendnet:tew-657brm:-:*:*:*:*:*:*:*
References () https://github.com/panda666-888/vuls/blob/main/trendnet/tew-657brm/vpn_connect.md - () https://github.com/panda666-888/vuls/blob/main/trendnet/tew-657brm/vpn_connect.md - Exploit, Third Party Advisory
References () https://vuldb.com/submit/781568 - () https://vuldb.com/submit/781568 - Third Party Advisory, VDB Entry
References () https://vuldb.com/vuln/354707 - () https://vuldb.com/vuln/354707 - Third Party Advisory, VDB Entry
References () https://vuldb.com/vuln/354707/cti - () https://vuldb.com/vuln/354707/cti - Permissions Required, VDB Entry
First Time Trendnet
Trendnet tew-657brm
Trendnet tew-657brm Firmware

02 Apr 2026, 17:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-04-02 17:16

Updated : 2026-04-07 17:24


NVD link : CVE-2026-5354

Mitre link : CVE-2026-5354

CVE.ORG link : CVE-2026-5354


JSON object : View

Products Affected

trendnet

  • tew-657brm_firmware
  • tew-657brm
CWE
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')