CVE-2021-40407
CVSS v3
7.2
HIGH
EPSS Score
32.6 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2024-12-18
- Patch Due Date
- 2025-01-08
- Ransomware Use
- Unknown
Technical details
- Published
- 2022-01-28
Frequently asked questions
What is 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.
Is CVE-2021-40407 actively exploited?
Yes. CVE-2021-40407 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-01-08.
What is the CVSS score for CVE-2021-40407?
CVE-2021-40407 has a CVSS v3 base score of 7.2 (HIGH severity).
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