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Rewterz Threat Advisory – CVE-2021-40847 – Multiple NETGEAR routers

Severity

High

Analysis Summary

CVE-2021-40847

Multiple NETGEAR routers could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in the update process of the Circle Parental Control Service. By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Impact

  • Code Execution

Affected Vendors

  • NETGEAR

Affected Products

  • Netgear R6700
  • Netgear R6900
  • NETGEAR R7000P
  • NETGEAR R8000
  • NETGEAR R6400v2
  • NETGEAR R6700v3
  • NETGEAR R7000
  • NETGEAR R7850
  • NETGEAR R7900
  • NETGEAR RS400
  • NETGEAR R6900P

Remediation

Refer to NETGEAR Security Advisory for patch, upgrade or suggested workaround information.

https://kb.netgear.com/000064039/Security-Advisory-for-Remote-Code-Execution-on-Some-Routers-PSV-2021-0204