Vulnerability Intelligence Report
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.
No Active Exploit Signals
CVSS Base Score
10.0
CRITICAL
Exploitability:3.9
Impact Score:6.1
EPSS Probability:2.12%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-798 ↗CWE-798: Use of Hard-coded Credentials
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| dlink | dir-3040_firmware | 1.13b03 |
| dlink | dir-3040 | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.117%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Talos · Researcher · USA |
| Reserved | 2021-01-04T00:00:00 |
| Published | 2021-09-23T14:48:37 |
| Last Updated | 2024-08-03T18:30:22 |
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