Home/CVE/An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136
CVE

CVE-2021-40408

An OS command injection vulnerability exists in the device network settings functionality of reolink RLC-410W v3.0.0.136

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-username variable, that has the value of the userName parameter provided through the SetDdns API, is not validated properly. This would lead to an OS command injection.

CRITICAL · CVSS 9.8 EPSS 0.01559
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

1
reolink rlc-410w firmwareall versions
⚠

Public Exploits & PoCs

1
poctalosintelligence.com · TALOS-2021-1424talosintelligence.com
◈

Detection Rules (IDS/IPS)

1
et-openET WEB_SPECIFIC_APPS Reolink RLC Series IP Camera SetDdns Authenticated Command Injection Attempt (CVE-2021-40407, CVE-2021-40408, CVE-2021-40409)attempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · talos-cna@cisco.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Jan 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
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