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CVE-2021-40407

7.2
HIGHCVSS v3.1 Base Score
25.28%
LOW RiskEPSS (96th percentile)
KEV

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.

Published: 1/28/2022
Modified: 11/3/2025
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ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

Reolink RLC-410W IP Camera OS Command Injection Vulnerability

Vendor / Product:

Reolink RLC-410W IP Camera

Required Action:

The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization if a current mitigation is unavailable.

Due Date: 1/8/2025(OVERDUE)
Added to KEV:

12/18/2024

Notes:

https://reolink.com/product-eol/ ; https://reolink.com/download-center/ ; https://nvd.nist.gov/vuln/detail/CVE-2021-40407

Vulnerability Summary

CVSS v3 Score

7.2HIGH

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

CVSS v2 Score

7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Score (Exploitation Probability)

25.28%LOW Exploitation Risk
96th percentile

This vulnerability has a 25.28% probability of being exploited in the next 30 days, ranking higher than 96% of all scored CVEs.

CWE Classification

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Similar SeverityHIGH