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TI-2021-18202 Aliases CVE-2021-41383GHSA-9q47-75mf-qmf9

setup.cgi on NETGEAR R6020 1.0.0.48 devices allows an admin to execute arbitrary shell…

Priority LOW 35CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.

Summary

setup.cgi on NETGEAR R6020 1.0.0.48 devices allows an admin to execute arbitrary shell commands via shell metacharacters in the ntp_server field.

Why it matters now

EPSS 0.01601 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:netgear:r6020_firmware:1.0.0.48:*:*:*:*:*:*:*1.0.0.48VulnerableNETGEAR
cpe:2.3:h:netgear:r6020:-:*:*:*:*:*:*:*not specified by NVDRunning onNETGEAR
  • cpe:2.3:o:netgear:r6020_firmware:1.0.0.48:*:*:*:*:*:*:* Versions 1.0.0.48 Vulnerable ·NETGEAR
  • cpe:2.3:h:netgear:r6020:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NETGEAR

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41383
  2. 2026-10-03 Alias added: GHSA-9q47-75mf-qmf9

References

Exploit 1

  • TI-2020-16934 Authentication bypass in NETGEAR Multiple Routers CVSS 3.1HIGH 8.8
  • TI-2021-20588 Certain NETGEAR devices are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
  • TI-2021-16116 Certain NETGEAR devices are affected by lack of access control at the function level. CVSS 3.1CRITICAL 10.0
  • TI-2020-16335 Certain NETGEAR devices are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
  • TI-2020-18243 Certain NETGEAR devices are affected by a stack-based buffer overflow by an… CVSS 3.1CRITICAL 9.8
  • TI-2020-16354 Certain NETGEAR devices are affected by authentication bypass. CVSS 3.1CRITICAL 9.8
See all 53 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences