CVE-2021-3166

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered on ASUS DSL-N14U-B1 1.1.2.3_805 devices. An attacker can upload arbitrary file content as a firmware update when the filename Settings_DSL-N14U-B1.trx is used. Once this file is loaded, shutdown measures on a wide range of services are triggered as if it were a real update, resulting in a persistent outage of those services.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-434

Affected software

No affected versions have been published.

Timeline

Published: Jan 18, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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