CVE-2021-40407

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.

Score

CVSS 3.0 9.1 Critical

Status

Analyzed - talos-cna@cisco.com

Published

2022-01-28

Last modified

2025-10-21

Known exploited (CISA KEV)

since 2024-12-18, action due 2025-01-08: 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.

Weaknesses

CWE-78

Affected products

• Rlc-410w Firmware (Reolink)

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40407