VULNERABILITY INTELLIGENCE
CVE-2021-21913
CVSS score9.8 CRITICAL
EPSS probability2.19%
CISA KEVNot currently listed
Published2021-09-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- talos-cna@cisco.com: CWE-798
- nvd@nist.gov: CWE-798
Primary references
- talos-cna@cisco.com — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory