THREATPORT/VULNERABILITY/CVE-2021-40411
HIGH SEVERITY

CVE-2021-40411

Rlc 410w Firmware vulnerability

CVSS
7.2
EPSS
4.7%
EPSS pct
91th
Exploited
No known
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.
Affected vendor
Reolink
Affected product
Rlc 410w Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2022-01-28

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 4.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2021-40411

  • Confirm whether Reolink Rlc 410w Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-40411.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-40411

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