THREATPORT/VULNERABILITY/CVE-2021-40409
CRITICAL SEVERITY

CVE-2021-40409

Rlc 410w Firmware vulnerability

CVSS
9.8
EPSS
3.7%
EPSS pct
88th
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 [1] or [2], based on DDNS type, the ddns->password variable, that has the value of the password parameter provided through the SetDdns 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:N/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 no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2021-40409

  • 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-2021-40409.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-40409

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-40409 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2021-40409?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2021-40409.

Start free scan

No credit card. Agentless.

Related vulnerabilities

CRITICAL
CVE-2017-5410
Debian Linux vulnerability
CRITICAL
CVE-2017-5428
Enterprise Linux vulnerability
CRITICAL
CVE-2017-5429
Enterprise Linux Desktop vulnerability