critical
10
CWE
120 119
Advisory Published
Updated

CVE-2020-35796: Buffer Overflow

First published: Tue Dec 29 2020(Updated: )

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects CBR40 before 2.5.0.10, D6220 before 1.0.0.60, D6400 before 1.0.0.94, D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, DC112A before 1.0.0.48, DGN2200v4 before 1.0.0.114, EAX20 before 1.0.0.36, EAX80 before 1.0.1.62, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX3920 before 1.0.0.84, EX6000 before 1.0.0.44, EX6100 before 1.0.2.28, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX6150 before 1.0.0.46, EX6200 before 1.0.3.94, EX6920 before 1.0.0.54, EX7000 before 1.0.1.90, EX7500 before 1.0.0.68, MK62 before 1.0.5.102, MR60 before 1.0.5.102, MS60 before 1.0.5.102, R6250 before 1.0.4.42, R6300v2 before 1.0.4.42, R6400 before 1.0.1.62, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6700 before 1.0.2.16, R6900P before 1.3.2.124, R6900 before 1.0.2.16, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7100LG before 1.0.0.56, 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, R8300 before 1.0.2.134, R8500 before 1.0.2.134, RAX15 before 1.0.1.64, RAX20 before 1.0.1.64, RAX200 before 1.0.2.102, RAX45 before 1.0.2.32, RAX50 before 1.0.2.32, RAX75 before 1.0.3.102, RAX80 before 1.0.3.102, 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, RBS40V-200 before 1.0.0.46, RBW30 before 2.5.0.4, RS400 before 1.5.0.48, WN2500RPv2 before 1.0.1.56, WN3500RP before 1.0.0.28, WNDR3400v3 before 1.0.1.32, WNR1000v3 before 1.0.2.78, WNR2000v2 before 1.2.0.12, WNR3500Lv2 before 1.2.0.62, and XR300 before 1.0.3.50.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
NETGEAR CBR40 firmware<2.5.0.10
Netgear CBR40
Netgear D6220 Firmware<1.0.0.60
NETGEAR D6220 firmware
NETGEAR D6400<1.0.0.94
NETGEAR D6400 firmware
NETGEAR D7000v2<1.0.0.62
NETGEAR D7000v2 firmware
Netgear D8500 Firmware<1.0.3.50
Netgear D8500 Firmware
NETGEAR DC112A firmware<1.0.0.48
Netgear DC112A
NETGEAR DGN2200Bv4 firmware<1.0.0.114
NETGEAR DGN2200Bv4
NETGEAR EAX20<1.0.0.36
NETGEAR EAX20 Firmware
NETGEAR EAX80 firmware<1.0.1.62
NETGEAR EAX80 firmware
NETGEAR EX3700 firmware<1.0.0.84
Netgear EX3700
NETGEAR EX3800 firmware<1.0.0.84
NETGEAR EX3800 firmware
NETGEAR EX3920<1.0.0.84
NETGEAR EX3920
NETGEAR EX6000<1.0.0.44
NETGEAR EX6000
NETGEAR EX6100 firmware<1.0.2.28
Netgear EX6100
NETGEAR EX6120 firmware<1.0.0.54
Netgear EX6120
NETGEAR EX6130<1.0.0.36
NETGEAR EX6130
NETGEAR EX6150<1.0.0.46
NETGEAR EX6150v2
NETGEAR EX6200 firmware<1.0.3.94
NETGEAR EX6200
NETGEAR EX6920<1.0.0.54
NETGEAR EX6920
NETGEAR EX7000 firmware<1.0.1.90
NETGEAR EX7000 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 R6250 Firmware<1.0.4.42
NETGEAR R6250
Netgear R6300v2<1.0.4.42
Netgear R6300v2
NETGEAR R6400 firmware<1.0.1.62
NETGEAR R6400 firmware
NETGEAR R6400v2 firmware<1.0.4.98
NETGEAR R6400v2 firmware
Netgear R6700 Firmware<1.0.4.98
NETGEAR R6700v3 firmware
Netgear R6700 Firmware<1.0.2.16
NETGEAR R6700v1 firmware
NETGEAR R6900P firmware<1.3.2.124
Netgear R6900 Firmware
Netgear R6900 Firmware<1.0.2.16
Netgear R6900 Firmware
NETGEAR R7000 firmware<1.0.11.106
NETGEAR R7000 firmware
NETGEAR R7000P firmware<1.3.2.124
Netgear R7000P
NETGEAR R7100LG firmware<1.0.0.56
Netgear R7100LG
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 R8300 firmware<1.0.2.134
NETGEAR R8300 firmware
NETGEAR R8500<1.0.2.134
NETGEAR R8500
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 rx45<1.0.2.32
NETGEAR rx45
NETGEAR RAX50<1.0.2.32
NETGEAR RAX50
NETGEAR RAX75 firmware<1.0.3.102
NETGEAR RAX75 firmware
NETGEAR RAX80 firmware<1.0.3.102
NETGEAR RAX80 firmware
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 RBS40V<1.0.0.46
NETGEAR RBS40V-200 firmware
NETGEAR RBW30 firmware<2.5.0.4
NETGEAR RBW30 firmware
NETGEAR RS400 firmware<1.5.0.48
NETGEAR RS400 firmware
NETGEAR WN2500RPv2<1.0.1.56
NETGEAR WN2500RPv2 firmware
NETGEAR WN3500RP<1.0.0.28
NETGEAR WN3500RP firmware
NETGEAR WNDR3400v3 firmware<1.0.1.32
NETGEAR WNDR3400v3 firmware
NETGEAR WNR1000v3 firmware<1.0.2.78
NETGEAR WNR1000 firmware
NETGEAR WNR2000v2<1.2.0.12
NETGEAR WNR2000v2
NETGEAR WNR3500Lv2<1.2.0.62
NETGEAR WNR3500Lv2 firmware
NETGEAR XR300 firmware<1.0.3.50
Netgear XR300

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-35796?

    CVE-2020-35796 is classified as critical due to its potential for remote exploitation and buffer overflow vulnerability.

  • How do I fix CVE-2020-35796?

    To fix CVE-2020-35796, update the affected NETGEAR device firmware to the latest version.

  • Which NETGEAR devices are affected by CVE-2020-35796?

    Affected devices include models like CBR40, D6220, D6400, D7000v2, and several others listed in the advisory.

  • Can CVE-2020-35796 be exploited by an authenticated user?

    CVE-2020-35796 can be exploited by unauthenticated attackers, making it particularly dangerous.

  • What kind of attack does CVE-2020-35796 involve?

    CVE-2020-35796 involves a buffer overflow attack that may allow remote code execution.

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