CVE-2018-21114 : 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 1.0.1.44, EX6150v2 before 1.0.1.70, EX6100v2 before 1.0.1.70, EX6200v2 before 1.0.1.64, EX7300 before 1.0.2.136, EX6400 before 1.0.2.136, R6100 before 1.0.1.16, R7500 before 1.0.0.110, R7800 before 1.0.2.32, R9000 before 1.0.4.12, WN3000RPv2 before 1.0.0.56, WN3000RPv3 before 1.0.2.52, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

Published 2020-04-22 15:15:14

Updated 2020-04-24 19:27:50

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2018-21114

Netgear » Wndr4500 Firmware
Versions before (<) 1.0.0.50
cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wndr4500 » Version: V3
Netgear » R6100 Firmware
Versions before (<) 1.0.1.16
cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6100 » Version: N/A
Netgear » R7500 Firmware
Versions before (<) 1.0.0.110
cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7500 » Version: N/A
Netgear » Wndr4300 Firmware
Versions before (<) 1.0.0.50
cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wndr4300 » Version: V2
Netgear » Ex6150 Firmware
Versions before (<) 1.0.1.70
cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6150 » Version: V2
Netgear » Ex6100 Firmware
Versions before (<) 1.0.1.70
cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6100 » Version: V2
Netgear » Ex6200 Firmware
Versions before (<) 1.0.1.64
cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6200 » Version: V2
Netgear » R7800 Firmware
Versions before (<) 1.0.2.32
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7800 » Version: N/A
Netgear » R9000 Firmware
Versions before (<) 1.0.4.12
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R9000 » Version: N/A
Netgear » D7800 Firmware
Versions before (<) 1.0.1.44
cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » D7800 » Version: N/A
Netgear » Ex6400 Firmware
Versions before (<) 1.0.2.136
cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6400 » Version: N/A
Netgear » Ex7300 Firmware
Versions before (<) 1.0.2.136
cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex7300 » Version: N/A
Netgear » Wn3000rp Firmware
Versions before (<) 1.0.0.56
cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wn3000rp » Version: V2
Netgear » Wn3000rp Firmware
Versions before (<) 1.0.2.52
cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Wn3000rp » Version: V3

Exploit prediction scoring system (EPSS) score for CVE-2018-21114

EPSS FAQ

0.04%

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

~ 10 %

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

CVSS scores for CVE-2018-21114

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.2	MEDIUM	AV:A/AC:L/Au:S/C:P/I:P/A:P	5.1	6.4	NIST
Access Vector: Adjacent Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
6.8	MEDIUM	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.9	5.9	MITRE
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
6.8	MEDIUM	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.9	5.9	NIST
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-21114

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

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

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-21114

https://kb.netgear.com/000060437/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-Modem-Routers-and-Wireless-Extenders-PSV-2017-0645

Security Advisory for Post-Authentication Command Injection on Some Routers, Modem Routers, and Wireless Extenders, PSV-2017-0645 | Answer | NETGEAR Support
Vendor Advisory

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Vulnerability Details : CVE-2018-21114

Products affected by CVE-2018-21114

Exploit prediction scoring system (EPSS) score for CVE-2018-21114

CVSS scores for CVE-2018-21114

CWE ids for CVE-2018-21114

References for CVE-2018-21114