CVE-2021-21819

HIGH

D-LINK DIR-3040 1.13B03 - OS Command Injection via Libcli Test Environment

Title source: llm

Description

A code execution vulnerability exists in the Libcli Test Environment functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to arbitrary command execution. An attacker can send a sequence of requests to trigger this vulnerability.

References (1)

Core 1

Core References

Exploit, Third Party Advisory x_refsource_misc

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1284

Scores

CVSS v3 7.2

EPSS 0.0125

EPSS Percentile 79.6%

Attack Vector NETWORK

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

Details

CWE

CWE-78

Status published

Products (1)

dlink/dir-3040_firmware 1.13b03

Published Jul 16, 2021

Tracked Since Feb 18, 2026