critical
9.8
CWE
120 119
Advisory Published
Updated

CVE-2020-35795: Buffer Overflow

First published: Tue Dec 29 2020(Updated: )

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects AC2100 before 1.2.0.72, AC2400 before 1.2.0.72, AC2600 before 1.2.0.72, CBK40 before 2.5.0.10, CBR40 before 2.5.0.10, D7800 before 1.0.1.58, EAX20 before 1.0.0.36, EAX80 before 1.0.1.62, EX7500 before 1.0.0.68, MK62 before 1.0.5.102, MR60 before 1.0.5.102, MS60 before 1.0.5.102, R6120 before 1.0.0.70, R6220 before 1.1.0.100, R6230 before 1.1.0.100, R6260 before 1.1.0.76, R6330 before 1.1.0.76, R6350 before 1.1.0.76, R6400 before 1.0.1.62, R6400v2 before 1.0.4.98, R6700 before 1.0.2.16, R6700v2 before 1.2.0.72, R6700v3 before 1.0.4.98, R6800 before 1.2.0.72, R6850 before 1.1.0.76, R6900P before 1.3.2.124, R6900 before 1.0.2.16, R6900v2 before 1.2.0.72, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7200 before 1.2.0.72, R7350 before 1.2.0.72, R7400 before 1.2.0.72, R7450 before 1.2.0.72, R7800 before 1.0.2.74, R7850 before 1.0.5.60, R7900 before 1.0.4.26, R7900P before 1.4.1.62, R7960P before 1.4.1.62, R8000 before 1.0.4.58, R8000P before 1.4.1.62, R8900 before 1.0.5.24, R9000 before 1.0.5.24, RAX120 before 1.0.1.136, RAX15 before 1.0.1.64, RAX20 before 1.0.1.64, RAX200 before 1.0.2.102, RAX45 before 1.0.2.64, RAX50 before 1.0.2.64, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, RBK12 before 2.6.1.44, RBR10 before 2.6.1.44, RBS10 before 2.6.1.44, RBK20 before 2.6.1.38, RBR20 before 2.6.1.36, RBS20 before 2.6.1.38, RBK40 before 2.6.1.38, RBR40 before 2.6.1.36, RBS40 before 2.6.1.38, RBK50 before 2.6.1.40, RBR50 before 2.6.1.40, RBS50 before 2.6.1.40, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK842 before 3.2.16.6, RBR840 before 3.2.16.6, RBS840 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, RS400 before 1.5.0.48, XR300 before 1.0.3.50, XR450 before 2.3.2.66, XR500 before 2.3.2.66, and XR700 before 1.0.1.34.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
NETGEAR AC2100<1.2.0.72
NETGEAR AC2100 firmware
NETGEAR AC2400 firmware<1.2.0.72
NETGEAR AC2400 firmware
NETGEAR AC2600 firmware<1.2.0.72
NETGEAR AC2600
NETGEAR CBK40 firmware<2.5.0.10
Netgear CBK40
NETGEAR CBR40 firmware<2.5.0.10
Netgear CBR40
NETGEAR D7800<1.0.1.58
NETGEAR D7800 Firmware
NETGEAR EAX20<1.0.0.36
NETGEAR EAX20 Firmware
NETGEAR EAX80 firmware<1.0.1.62
NETGEAR EAX80 firmware
NETGEAR EX7500<1.0.0.68
NETGEAR EX7500
NETGEAR MK62<1.0.5.102
NETGEAR MK62 firmware
NETGEAR MR60 firmware<1.0.5.102
NETGEAR MR60 firmware
NETGEAR MS60<1.0.5.102
NETGEAR MS60 firmware
NETGEAR R6120 firmware<1.0.0.70
NETGEAR R6120 firmware
NETGEAR R6220 firmware<1.1.0.100
NETGEAR R6220 firmware
NETGEAR R6230 firmware<1.1.0.100
NETGEAR R6230 firmware
NETGEAR R6260 firmware<1.1.0.76
NETGEAR R6260 firmware
NETGEAR R6330 firmware<1.1.0.76
NETGEAR R6330 firmware
NETGEAR R6350 firmware<1.1.0.76
NETGEAR R6350 firmware
NETGEAR R6400 firmware<1.0.1.62
NETGEAR R6400 firmware
NETGEAR R6400v2 firmware<1.0.4.98
NETGEAR R6400v2 firmware
Netgear R6700 Firmware<1.0.2.16
NETGEAR R6700v1 firmware
Netgear R6700 Firmware<1.2.0.72
NETGEAR R6700v2 firmware
Netgear R6700 Firmware<1.0.4.98
NETGEAR R6700v3 firmware
NETGEAR R6800 firmware<1.2.0.72
NETGEAR R6800 firmware
NETGEAR R6850 firmware<1.1.0.76
Netgear R6850
NETGEAR R6900P firmware<1.3.2.124
Netgear R6900 Firmware
Netgear R6900 Firmware<1.0.2.16
Netgear R6900 Firmware
NETGEAR R6900v2<1.2.0.72
NETGEAR R6900v2 firmware
NETGEAR R7000 firmware<1.0.11.106
NETGEAR R7000 firmware
NETGEAR R7000P firmware<1.3.2.124
Netgear R7000P
NETGEAR R7200 firmware<1.2.0.72
NETGEAR R7200 firmware
NETGEAR R7350 firmware<1.2.0.72
NETGEAR R7350 firmware
NETGEAR R7400 firmware<1.2.0.72
NETGEAR R7400 firmware
NETGEAR R7450 firmware<1.2.0.72
NETGEAR R7450 firmware
NETGEAR R7800 firmware<1.0.2.74
NETGEAR R7800
NETGEAR R7850<1.0.5.60
NETGEAR R7850 firmware
NETGEAR R7900P firmware<1.0.4.26
NETGEAR R7900P firmware
NETGEAR R7900P firmware<1.4.1.62
NETGEAR R7900P firmware
NETGEAR R7960P firmware<1.4.1.62
NETGEAR R7960P firmware
NETGEAR R8000 firmware<1.0.4.58
NETGEAR R8000 firmware
NETGEAR R8000P<1.4.1.62
NETGEAR R8000P firmware
NETGEAR R8900 firmware<1.0.5.24
NETGEAR R8900
NETGEAR R9000 firmware<1.0.5.24
NETGEAR R9000 firmware
NETGEAR RAX120 firmware<1.0.1.136
NETGEAR RAX120 firmware
NETGEAR RAX15 firmware<1.0.1.64
NETGEAR RAX15 firmware
NETGEAR RAX20 firmware<1.0.1.64
NETGEAR RAX20 firmware
NETGEAR RAX200 firmware<1.0.2.102
NETGEAR RAX200 firmware
NETGEAR RAX45 Firmware<1.0.2.64
NETGEAR RAX45 firmware
NETGEAR RAX50<1.0.2.64
NETGEAR RAX50
NETGEAR RAX75 firmware<1.0.3.102
NETGEAR RAX75 firmware
NETGEAR RAX80 firmware<1.0.3.102
NETGEAR RAX80 firmware
NETGEAR RBK12 firmware<2.6.1.44
NETGEAR RBK12 firmware
NETGEAR RBR10 firmware<2.6.1.44
NETGEAR RBR10 firmware
NETGEAR RBS10<2.6.1.44
NETGEAR RBS10 firmware
NETGEAR RBK20 Router Firmware<2.6.1.38
NETGEAR RBK20 firmware
NETGEAR RBR20<2.6.1.36
NETGEAR RBR20
NETGEAR RBS20 firmware<2.6.1.38
NETGEAR RBS20 firmware
NETGEAR RBK40<2.6.1.38
NETGEAR RBK40 firmware
NETGEAR CBR40 firmware<2.6.1.36
NETGEAR RBR40 firmware
NETGEAR RBS40 firmware<2.6.1.38
NETGEAR RBS40 firmware
NETGEAR RBK50 firmware<2.6.1.40
NETGEAR RBK50
NETGEAR RBR50 firmware<2.6.1.40
NETGEAR RBR50 firmware
NETGEAR RBS50 firmware<2.6.1.40
NETGEAR RBS50
NETGEAR RBK752 firmware<3.2.16.6
NETGEAR RBK752 firmware
NETGEAR RBR750<3.2.16.6
NETGEAR RBR750 firmware
NETGEAR RBS750<3.2.16.6
NETGEAR RBS750
NETGEAR RBK842<3.2.16.6
NETGEAR RBK842 firmware
NETGEAR RBR840 firmware<3.2.16.6
NETGEAR RBR840 firmware
NETGEAR RBS840V<3.2.16.6
NETGEAR RBS840 firmware
NETGEAR RBK852<3.2.16.6
NETGEAR RBK852
NETGEAR RBR850 firmware<3.2.16.6
NETGEAR RBR850 firmware
NETGEAR RBS850<3.2.16.6
NETGEAR RBS850 firmware
NETGEAR RS400 firmware<1.5.0.48
NETGEAR RS400 firmware
NETGEAR XR300 firmware<1.0.3.50
Netgear XR300
NETGEAR XR450 firmware<2.3.2.66
NETGEAR XR450 firmware
NETGEAR XR500 firmware<2.3.2.66
NETGEAR XR500 firmware
NETGEAR XR700<1.0.1.34
NETGEAR XR700 firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-35795?

    CVE-2020-35795 is classified as a critical vulnerability due to the potential for unauthenticated remote code execution.

  • How do I fix CVE-2020-35795?

    To mitigate CVE-2020-35795, upgrade the affected NETGEAR devices to firmware version 1.2.0.72 for AC2100, AC2400, AC2600, or similar updates for other models.

  • Which NETGEAR devices are affected by CVE-2020-35795?

    NETGEAR devices such as AC2100, AC2400, AC2600, and various Orbi routers are affected by CVE-2020-35795.

  • Is CVE-2020-35795 a remote exploit?

    Yes, CVE-2020-35795 allows for remote exploitation without authentication, making it particularly dangerous.

  • What types of attacks can occur due to CVE-2020-35795?

    Due to CVE-2020-35795, an attacker could execute arbitrary code on the affected NETGEAR devices.

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