CVE-2021-40410
Reolink
- Published
- 28 January 2022
- Last modified
- 17 June 2026
- CVSS
- 7.2 v3.1
- Severity
- high
- EPSS
- 27.9% (98th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-78
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [4] the dns_data->dns1 variable, that has the value of the dns1 parameter provided through the SetLocal API, is not validated properly. This would lead to an OS command injection.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 27.9% probability of exploitation activity in the next 30 days, placing it in the top decile of all scored CVEs.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| RLC-410W | Reolink | unknown | 3.0.0.136_20121102, <= 1.0.227 |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424 exploit
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424 exploit
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.