CVE-2021-45642 : Certain NETGEAR devices are affected by incorrect configuration of security sett

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D7800 before 1.0.1.64, EX6250 before 1.0.0.134, EX7700 before 1.0.0.222, LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, R8900 before 1.0.5.26, R9000 before 1.0.5.26, XR450 before 2.3.2.66, XR500 before 2.3.2.66, XR700 before 1.0.1.36, EX7320 before 1.0.0.134, RAX120 before 1.2.2.24, EX7300v2 before 1.0.0.134, RAX120v2 before 1.2.2.24, EX6410 before 1.0.0.134, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, EX6420 before 1.0.0.134, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, EX6400v2 before 1.0.0.134, RBK12 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.

Published 2021-12-26 01:15:20

Updated 2022-01-12 14:12:02

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-45642

Netgear » R9000 Firmware
Versions before (<) 1.0.5.26
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R9000 » Version: N/A
Netgear » D7800 Firmware
Versions before (<) 1.0.1.64
cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D7800 » Version: N/A
Netgear » R8900 Firmware
Versions before (<) 1.0.5.26
cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8900 » Version: N/A
Netgear » Xr500 Firmware
Versions before (<) 2.3.2.66
cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Xr500 » Version: N/A
Netgear » Xr700 Firmware
Versions before (<) 1.0.1.36
cpe:2.3:o:netgear:xr700_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Xr700 » Version: N/A
Netgear » Rbr20 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr20 » Version: N/A
Netgear » Rbs20 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs20 » Version: N/A
Netgear » Rbk20 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk20 » Version: N/A
Netgear » Rbr40 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbr40_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr40 » Version: N/A
Netgear » Rbs40 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs40 » Version: N/A
Netgear » Rbk40 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk40 » Version: N/A
Netgear » Rbr50 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr50 » Version: N/A
Netgear » Rbs50 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs50y Firmware » Version: 2.7.3.22
Netgear » Rbk50 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk50 » Version: N/A
Netgear » Xr450 Firmware
Versions before (<) 2.3.2.66
cpe:2.3:o:netgear:xr450_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Xr450 » Version: N/A
Netgear » Rax120 Firmware
Versions before (<) 1.2.2.24
cpe:2.3:o:netgear:rax120_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax120 » Version: N/A
Netgear » Ex6250 Firmware
Versions before (<) 1.0.0.134
cpe:2.3:o:netgear:ex6250_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6250 » Version: N/A
Netgear » Ex6400v2 Firmware
Versions before (<) 1.0.0.134
cpe:2.3:o:netgear:ex6400v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6400v2 » Version: N/A
Netgear » Ex6410 Firmware
Versions before (<) 1.0.0.134
cpe:2.3:o:netgear:ex6410_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6410 » Version: N/A
Netgear » Ex6420 Firmware
Versions before (<) 1.0.0.134
cpe:2.3:o:netgear:ex6420_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6420 » Version: N/A
Netgear » Ex7300v2 Firmware
Versions before (<) 1.0.0.134
cpe:2.3:o:netgear:ex7300v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7300v2 » Version: N/A
Netgear » Ex7320 Firmware
Versions before (<) 1.0.0.134
cpe:2.3:o:netgear:ex7320_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7320 » Version: N/A
Netgear » Ex7700 Firmware
Versions before (<) 1.0.0.222
cpe:2.3:o:netgear:ex7700_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7700 » Version: N/A
Netgear » Lbr20 Firmware
Versions before (<) 2.6.3.50
cpe:2.3:o:netgear:lbr20_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Lbr20 » Version: N/A
Netgear » Rbk12 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbk12_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk12 » Version: N/A
Netgear » Rbr10 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbr10_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr10 » Version: N/A
Netgear » Rbs10 Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbs10_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs10 » Version: N/A
Netgear » Rbs50y Firmware
Versions before (<) 2.7.3.22
cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs50y » Version: N/A
Netgear » Rax120v2 Firmware
Versions before (<) 1.2.2.24
cpe:2.3:o:netgear:rax120v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax120v2 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-45642

EPSS FAQ

0.52%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 64 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-45642

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L	1.7	5.3	MITRE
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Changed Confidentiality: Low Integrity: High Availability: Low
7.2	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	1.2	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2021-45642

https://kb.netgear.com/000064491/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0427

Security Advisory for Security Misconfiguration on Some Routers, Extenders, and WiFi Systems, PSV-2020-0427 | Answer | NETGEAR Support
Patch;Vendor Advisory

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Vulnerability Details : CVE-2021-45642

Products affected by CVE-2021-45642

Exploit prediction scoring system (EPSS) score for CVE-2021-45642

CVSS scores for CVE-2021-45642

References for CVE-2021-45642