CVE-2021-45617 : Certain NETGEAR devices are affected by command injection by an unauthenticated

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, EAX20 before 1.0.0.48, EAX80 before 1.0.1.64, EX7500 before 1.0.0.72, R6400 before 1.0.1.68, R6900P before 1.3.2.132, R7000 before 1.0.11.116, R7000P before 1.3.2.132, R7900 before 1.0.4.38, R7960P before 1.4.1.66, R8000 before 1.0.4.66, RAX200 before 1.0.3.106, RS400 before 1.5.1.80, XR300 before 1.0.3.68, MK62 before 1.0.6.110, MR60 before 1.0.6.110, R6400v2 before 1.0.4.106, R8000P before 1.4.1.66, RAX20 before 1.0.2.64, RAX45 before 1.0.2.82, RAX80 before 1.0.3.106, MS60 before 1.0.6.110, R6700v3 before 1.0.4.106, R7900P before 1.4.1.66, RAX15 before 1.0.2.64, RAX50 before 1.0.2.82, RAX75 before 1.0.3.106, RBR750 before 3.2.16.22, RBR850 before 3.2.16.22, RBS750 before 3.2.16.22, RBS850 before 3.2.16.22, RBK752 before 3.2.16.22, and RBK852 before 3.2.16.22.

Published 2021-12-26 01:15:19

Updated 2022-01-10 16:18:26

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-45617

Netgear » R6400 Firmware
Versions before (<) 1.0.1.68
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6400 » Version: N/A
Netgear » R7000 Firmware
Versions before (<) 1.0.11.116
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7000 » Version: N/A
Netgear » R7900 Firmware
Versions before (<) 1.0.4.38
cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7900 » Version: N/A
Netgear » R8000 Firmware
Versions before (<) 1.0.4.66
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8000 » Version: N/A
Netgear » R7000p Firmware
Versions before (<) 1.3.2.132
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7000p » Version: N/A
Netgear » R6900p Firmware
Versions before (<) 1.3.2.132
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6900p » Version: N/A
Netgear » R7900p Firmware
Versions before (<) 1.4.1.66
cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7900p » Version: N/A
Netgear » R8000p Firmware
Versions before (<) 1.4.1.66
cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8000p » Version: N/A
Netgear » Ex7500 Firmware
Versions before (<) 1.0.0.72
cpe:2.3:o:netgear:ex7500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7500 » Version: N/A
Netgear » Rbr850 Firmware
Versions before (<) 3.2.16.22
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr850 » Version: N/A
Netgear » Rbk852 Firmware
Versions before (<) 3.2.16.22
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk852 » Version: N/A
Netgear » Rbs850 Firmware
Versions before (<) 3.2.16.22
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs850 » Version: N/A
Netgear » Rbk752 Firmware
Versions before (<) 3.2.16.22
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk752 » Version: N/A
Netgear » Rbr750 Firmware
Versions before (<) 3.2.16.22
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr750 » Version: N/A
Netgear » Rbs750 Firmware
Versions before (<) 3.2.16.22
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs750 » Version: N/A
Netgear » Cbr40 Firmware
Versions before (<) 2.5.0.24
cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Cbr40 » Version: N/A
Netgear » R7960p Firmware
Versions before (<) 1.4.1.66
cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7960p » Version: N/A
Netgear » Rax75 Firmware
Versions before (<) 1.0.3.106
cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax75 » Version: N/A
Netgear » Rax80 Firmware
Versions before (<) 1.0.3.106
cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax80 » Version: N/A
Netgear » Rax200 Firmware
Versions before (<) 1.0.3.106
cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax200 » Version: N/A
Netgear » Rs400 Firmware
Versions before (<) 1.5.1.80
cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rs400 » Version: N/A
Netgear » Xr300 Firmware
Versions before (<) 1.0.3.68
cpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Xr300 » Version: N/A
Netgear » Mr60 Firmware
Versions before (<) 1.0.6.110
cpe:2.3:o:netgear:mr60_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Mr60 » Version: N/A
Netgear » Ms60 Firmware
Versions before (<) 1.0.6.110
cpe:2.3:o:netgear:ms60_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ms60 » Version: N/A
Netgear » Rax15 Firmware
Versions before (<) 1.0.2.64
cpe:2.3:o:netgear:rax15_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax15 » Version: N/A
Netgear » Rax20 Firmware
Versions before (<) 1.0.2.64
cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax20 » Version: N/A
Netgear » Rax45 Firmware
Versions before (<) 1.0.2.82
cpe:2.3:o:netgear:rax45_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax45 » Version: N/A
Netgear » Rax50 Firmware
Versions before (<) 1.0.2.82
cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax50 » Version: N/A
Netgear » Eax80 Firmware
Versions before (<) 1.0.1.64
cpe:2.3:o:netgear:eax80_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Eax80 » Version: N/A
Netgear » Eax20 Firmware
Versions before (<) 1.0.0.48
cpe:2.3:o:netgear:eax20_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Eax20 » Version: N/A
Netgear » Mk62 Firmware
Versions before (<) 1.0.6.110
cpe:2.3:o:netgear:mk62_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Mk62 » Version: N/A
Netgear » R6400v2 Firmware
Versions before (<) 1.0.4.106
cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6400v2 » Version: N/A
Netgear » R6700v3 Firmware
Versions before (<) 1.0.4.106
cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6700v3 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-45617

EPSS FAQ

0.53%

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

~ 77 %

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

CVSS scores for CVE-2021-45617

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
10.0	HIGH	AV:N/AC:L/Au:N/C:C/I:C/A:C	10.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	MITRE
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-45617

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-45617

https://kb.netgear.com/000064505/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0156

Security Advisory for Pre-Authentication Command Injection on Some Routers, Extenders, and WiFi Systems, PSV-2020-0156 | Answer | NETGEAR Support
Vendor Advisory

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Vulnerability Details : CVE-2021-45617

Products affected by CVE-2021-45617

Exploit prediction scoring system (EPSS) score for CVE-2021-45617

CVSS scores for CVE-2021-45617

CWE ids for CVE-2021-45617

References for CVE-2021-45617