CVE-2021-45548 : 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 D7800 before 1.0.1.60, DM200 before 1.0.0.66, EX2700 before 1.0.1.56, EX6150v2 before 1.0.1.86, EX6200v2 before 1.0.1.86, EX6250 before 1.0.0.128, EX6400 before 1.0.2.144, EX6400v2 before 1.0.0.128, EX6410 before 1.0.0.128, EX6420 before 1.0.0.128, EX7300 before 1.0.2.144, EX7300v2 before 1.0.0.128, EX7320 before 1.0.0.128, R7500v2 before 1.0.3.46, R7800 before 1.0.2.74, R8900 before 1.0.5.26, R9000 before 1.0.5.2, RAX120 before 1.0.1.128, WN3000RPv2 before 1.0.0.78, WN3000RPv3 before 1.0.2.80, WNR2000v5 before 1.0.0.74, XR500 before 2.3.2.66, RBK20 before 2.7.3.22, RBR20 before 2.7.3.22, RBS20 before 2.7.3.22, RBK40 before 2.7.3.22, RBR40 before 2.7.3.22, and RBS40 before 2.7.3.22.

Published 2021-12-26 01:15:15

Updated 2022-01-10 16:06:32

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-45548

Netgear » Wnr2000v5 Firmware
Versions before (<) 1.0.0.74
cpe:2.3:o:netgear:wnr2000v5_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wnr2000v5 Firmware » Version: N/A
Netgear » R7800 Firmware
Versions before (<) 1.0.2.74
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7800 » Version: N/A
Netgear » R9000 Firmware
Versions before (<) 1.0.5.2
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R9000 » Version: N/A
Netgear » D7800 Firmware
Versions before (<) 1.0.1.60
cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D7800 » Version: N/A
Netgear » Ex6400 Firmware
Versions before (<) 1.0.2.144
cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6400 » Version: N/A
Netgear » Ex7300 Firmware
Versions before (<) 1.0.2.144
cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7300 » Version: N/A
Netgear » Ex2700 Firmware
Versions before (<) 1.0.1.56
cpe:2.3:o:netgear:ex2700_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex2700 » 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 » Dm200 Firmware
Versions before (<) 1.0.0.66
cpe:2.3:o:netgear:dm200_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Dm200 » 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 » Rax120 Firmware
Versions before (<) 1.0.1.128
cpe:2.3:o:netgear:rax120_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax120 » Version: N/A
Netgear » Ex6150v2 Firmware
Versions before (<) 1.0.1.86
cpe:2.3:o:netgear:ex6150v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6150v2 » Version: N/A
Netgear » Ex6250 Firmware
Versions before (<) 1.0.0.128
cpe:2.3:o:netgear:ex6250_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6250 » Version: N/A
Netgear » Ex6400v2 Firmware
Versions before (<) 1.0.0.128
cpe:2.3:o:netgear:ex6400v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6400v2 » Version: N/A
Netgear » Ex6410 Firmware
Versions before (<) 1.0.0.128
cpe:2.3:o:netgear:ex6410_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6410 » Version: N/A
Netgear » Ex6420 Firmware
Versions before (<) 1.0.0.128
cpe:2.3:o:netgear:ex6420_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6420 » Version: N/A
Netgear » Ex7300v2 Firmware
Versions before (<) 1.0.0.128
cpe:2.3:o:netgear:ex7300v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7300v2 » Version: N/A
Netgear » Ex7320 Firmware
Versions before (<) 1.0.0.128
cpe:2.3:o:netgear:ex7320_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7320 » Version: N/A
Netgear » Wn3000rpv2 Firmware
Versions before (<) 1.0.0.78
cpe:2.3:o:netgear:wn3000rpv2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wn3000rpv2 » Version: N/A
Netgear » R7500v2 Firmware
Versions before (<) 1.0.3.46
cpe:2.3:o:netgear:r7500v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7500v2 » Version: N/A
Netgear » Ex6200v2 Firmware
Versions before (<) 1.0.1.86
cpe:2.3:o:netgear:ex6200v2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6200v2 » Version: N/A
Netgear » Wn3000rpv3 Firmware
Versions before (<) 1.0.2.80
cpe:2.3:o:netgear:wn3000rpv3_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wn3000rpv3 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-45548

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-2021-45548

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
6.3	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L	0.8	5.5	MITRE
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: Low
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-2021-45548

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-2021-45548

https://kb.netgear.com/000064450/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2019-0207

Security Advisory for Post-Authentication Command Injection on Some Routers, Extenders, and WiFi Systems, PSV-2019-0207 | Answer | NETGEAR Support
Patch;Vendor Advisory

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Vulnerability Details : CVE-2021-45548

Products affected by CVE-2021-45548

Exploit prediction scoring system (EPSS) score for CVE-2021-45548

CVSS scores for CVE-2021-45548

CWE ids for CVE-2021-45548

References for CVE-2021-45548