High severity7.2CISA KEVNVD Advisory· Published Jan 28, 2022· Updated Jun 17, 2026
CVE-2021-40407
CVE-2021-40407
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.
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Affected products
3- cpe:2.3:o:reolink:rlc-410w_firmware:3.0.0.136_20121102:*:*:*:*:*:*:*
- reolink/RLC-410Wdescription
Patches
Vulnerability mechanics
References
2- talosintelligence.com/vulnerability_reports/TALOS-2021-1424nvdExploitThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
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