CVE-2021-40410

HIGHCVSS 7.2/10EPSS 27.88%

Last modified

CVE-2021-40410 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. EPSS estimates a 27.88% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.2/10

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

EPSS Probability
27.88%

97.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ReolinkRlc-410w Firmware3.0.0.136_20121102

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-40410?
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.
How severe is CVE-2021-40410?
CVE-2021-40410 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 27.88% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40410?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40410?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST