AUGUST 4, 2026
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Case File

CVE-2021-40409

CRITICAL · CVSS 9.8 EPSS 3.66%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-28 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2021-40409
Severity
CRITICAL
CVSS
9.8
EPSS
3.66%

Original NVD 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->password variable, that has the value of the password parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection.

Related CVEs

Other vulnerabilities affecting the same vendor(s)