CVE-2021-21913

CRITICAL

D-LINK DIR-3040 1.13B03 - Use of Hard-coded Credentials

Title source: llm

Description

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.

References (1)

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1361

Scores

CVSS v3 9.8

EPSS 0.0069

EPSS Percentile 72.0%

Attack Vector NETWORK

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

Details

CWE

CWE-798

Status published

Products (1)

dlink/dir-3040_firmware 1.13b03

Published Sep 23, 2021

Tracked Since Feb 18, 2026