CVE-2021-40411 — HIGH (7.2)

Vulnerability Description

An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [6] the dns_data->dns2 variable, that has the value of the dns2 parameter provided through the SetLocalLink API, is not validated properly. This would lead to an OS command injection.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Reolink	Rlc-410W Firmware	3.0.0.136_20121102
Reolink	Rlc-410W	-

Related Weaknesses (CWE)

CWE-78

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424ExploitTechnical DescriptionThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424ExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2021-40411?

CVE-2021-40411 is a vulnerability with a CVSS score of 7.2 (HIGH). An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136_20121102. At [6] the dns_data->dns2 variable, that has the value of the dns2 pa...

How severe is CVE-2021-40411?

CVE-2021-40411 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-40411?

Check the references section above for vendor advisories and patch information. Affected products include: Reolink Rlc-410W Firmware, Reolink Rlc-410W.