CVE-2021-45547 : Certain NETGEAR devices are affected by command injection by an authenticated us

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7850 before 1.0.5.74, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.4.120, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, and RBS850 before 3.2.17.12.

Published 2021-12-26 01:15:15

Updated 2022-01-06 19:13:21

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-45547

Netgear » R8000 Firmware
Versions before (<) 1.0.4.74
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8000 » Version: N/A
Netgear » R7900p Firmware
Versions before (<) 1.4.2.84
cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7900p » Version: N/A
Netgear » R8000p Firmware
Versions before (<) 1.4.2.84
cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8000p » Version: N/A
Netgear » Rbr850 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr850 » Version: N/A
Netgear » Rbk852 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk852 » Version: N/A
Netgear » Rbs850 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs850 » Version: N/A
Netgear » Rbk752 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk752 » Version: N/A
Netgear » Rbr750 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr750 » Version: N/A
Netgear » Rbs750 Firmware
Versions before (<) 3.2.17.12
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs750 » Version: N/A
Netgear » R7960p Firmware
Versions before (<) 1.4.2.84
cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7960p » Version: N/A
Netgear » Rax75 Firmware
Versions before (<) 1.0.4.120
cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax75 » Version: N/A
Netgear » Rax80 Firmware
Versions before (<) 1.0.4.120
cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax80 » Version: N/A
Netgear » R7850 Firmware
Versions before (<) 1.0.5.74
cpe:2.3:o:netgear:r7850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7850 » Version: N/A
Netgear » Rax200 Firmware
Versions before (<) 1.0.4.120
cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax200 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-45547

EPSS FAQ

0.13%

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

~ 48 %

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

CVSS scores for CVE-2021-45547

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.4	HIGH	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H	1.7	6.0	MITRE
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Changed Confidentiality: High Integrity: High Availability: High
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-45547

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-2021-45547

https://kb.netgear.com/000064525/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0567

Security Advisory for Post-Authentication Command Injection on Some Routers and WiFi Systems, PSV-2020-0567 | Answer | NETGEAR Support
Patch;Vendor Advisory

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Vulnerability Details : CVE-2021-45547

Products affected by CVE-2021-45547

Exploit prediction scoring system (EPSS) score for CVE-2021-45547

CVSS scores for CVE-2021-45547

CWE ids for CVE-2021-45547

References for CVE-2021-45547