CVE-2021-40408: OS Command Injection
First published: Fri Jan 28 2022(Updated: )
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->username variable, that has the value of the userName parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Reolink RLC-410W | =3.0.0.136_20121102 | |
| Reolink RLC-410W Firmware |
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Frequently Asked Questions
What is the severity of CVE-2021-40408?
CVE-2021-40408 has been assigned a medium severity rating due to the potential for command injection.
How do I fix CVE-2021-40408?
To mitigate CVE-2021-40408, it is recommended to update the firmware of the Reolink RLC-410W to the latest version.
What systems are affected by CVE-2021-40408?
CVE-2021-40408 specifically affects the Reolink RLC-410W firmware version 3.0.0.136_20121102.
Is CVE-2021-40408 remotely exploitable?
Yes, CVE-2021-40408 can be exploited remotely due to the nature of the command injection vulnerability.
What type of vulnerability is CVE-2021-40408?
CVE-2021-40408 is classified as an OS command injection vulnerability within the network settings functionality.
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