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CRITICAL · 9.6

CVE-2021-45638

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before ...

Vulnerability Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before 1.0.3.60, DC112A before 1.0.0.56, R6300v2 before 1.0.4.50, R6400 before 1.0.1.68, R7000 before 1.0.11.116, R7100LG before 1.0.0.70, RBS40V before 2.6.2.8, RBW30 before 2.6.2.2, RS400 before 1.5.1.80, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
NetgearD6220 Firmware< 1.0.0.68
NetgearD6220-
NetgearD6400 Firmware< 1.0.0.102
NetgearD6400-
NetgearD7000V2 Firmware< 1.0.0.74
NetgearD7000V2-
NetgearD8500 Firmware< 1.0.3.60
NetgearD8500-
NetgearDc112A Firmware< 1.0.0.56
NetgearDc112A-
NetgearR6300V2 Firmware< 1.0.4.50
NetgearR6300V2-
NetgearR6400 Firmware< 1.0.1.68
NetgearR6400-
NetgearR7000 Firmware< 1.0.11.116
NetgearR7000-
NetgearR7100Lg Firmware< 1.0.0.70
NetgearR7100Lg-
NetgearR7000P Firmware< 1.3.2.132
NetgearR7000P-

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2021-45638?

CVE-2021-45638 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before ...

How severe is CVE-2021-45638?

CVE-2021-45638 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-45638?

Check the references section above for vendor advisories and patch information. Affected products include: Netgear D6220 Firmware, Netgear D6220, Netgear D6400 Firmware, Netgear D6400, Netgear D7000V2 Firmware.