CVE-2021-21913

An information disclosure vulnerability exists in the WiFi Smart Mesh functionality of D-LINK DIR-3040 1.13B03. A specially-crafted network request can lead to command execution. An attacker can connect to the MQTT service to trigger this vulnerability.

• CWE-798
• CWE-798

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1361Exploit, Third Party Advisory
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1361Exploit, Third Party Advisory

Published

Sep 23, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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