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R6220 Firmware CVE-2022-42221

HIGH
2022-10-17 cve@mitre.org
8.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Impact

CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.8% exploitation probability (EPSS)

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AnalysisAI

Netgear R6220 v1.1.0.114_1.0.1 suffers from Incorrect Access Control, resulting in a command injection vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

Netgear R6220 v1.1.0.114_1.0.1 suffers from Incorrect Access Control, resulting in a command injection vulnerability. Affected products include: Netgear R6220 Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

Netgear R6220 v1.1.0.114_1.0.1 suffers from Incorrect Access Control, resulting in a command injection vulnerability.

Threat Intelligence Overview

EPSS Score
1.8%
Top 24% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC Yes
EPSS 1.8%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

66
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +44
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Affected Products (CPE)NVD

cpe:2.3:o:netgear:r6220_firmware:1.1.0.114_1.0.1:*:*:*:*:*:*:*
CVE-2021-45511 CRITICAL POC
9.8 Dec 26

Certain NETGEAR devices are affected by authentication bypass. Rated critical severity (CVSS 9.8), this vulnerability is

CVE-2020-13245 MEDIUM POC
5.9 May 28

Certain NETGEAR devices are affected by Missing SSL Certificate Validation. Rated medium severity (CVSS 5.9), this vulne

CVE-2021-45644 CRITICAL
9.8 Dec 26

Certain NETGEAR devices are affected by incorrect configuration of security settings. Rated critical severity (CVSS 9.8)

CVE-2021-45501 CRITICAL
9.8 Dec 26

Certain NETGEAR devices are affected by authentication bypass. Rated critical severity (CVSS 9.8), this vulnerability is

CVE-2021-38516 CRITICAL
9.8 Aug 11

Certain NETGEAR devices are affected by lack of access control at the function level. Rated critical severity (CVSS 9.8)

CVE-2020-35799 CRITICAL
9.8 Dec 30

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. Rated critical sev

CVE-2020-35795 CRITICAL
9.8 Dec 30

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. Rated critical severity (CVSS

CVE-2020-26927 CRITICAL
9.8 Oct 09

Certain NETGEAR devices are affected by authentication bypass. Rated critical severity (CVSS 9.8), this vulnerability is

CVE-2020-26908 CRITICAL
9.8 Oct 09

Certain NETGEAR devices are affected by authentication bypass. Rated critical severity (CVSS 9.8), this vulnerability is

CVE-2020-35800 CRITICAL
9.4 Dec 30

Certain NETGEAR devices are affected by incorrect configuration of security settings. Rated critical severity (CVSS 9.4)

CVE-2021-45641 HIGH
8.8 Dec 26

Certain NETGEAR devices are affected by incorrect configuration of security settings. Rated high severity (CVSS 8.8), th

CVE-2021-45551 HIGH
8.8 Dec 26

Certain NETGEAR devices are affected by command injection by an authenticated user. Rated high severity (CVSS 8.8), this

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