CVE-2021-40407 Information

Description

An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [1] or [2] based on DDNS type the ddns->domain variable that has the value of the domain parameter provided through the SetDdns API is not validated properly. This would lead to an OS command injection. An attacker can send an HTTP request to trigger this vulnerability.

CVSS Vector

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

Reference

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8