CVE-2021-45670 : Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX20 before 1.0.0.48, EAX80 bef

Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX20 before 1.0.0.48, EAX80 before 1.0.1.64, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, R7000 before 1.0.11.116, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1.0.3.106, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, EX3700 before 1.0.0.90, MR60 before 1.0.6.110, R7000P before 1.3.2.126, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.3.106, EX3800 before 1.0.0.90, MS60 before 1.0.6.110, R6900P before 1.3.2.126, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.

Published 2021-12-26 01:15:21

Updated 2022-01-06 15:22:07

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Exploit prediction scoring system (EPSS) score for CVE-2021-45670

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 21 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-45670

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.5	MEDIUM	CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:L/I:H/A:L	0.7	5.3	MITRE
Attack Vector: Adjacent Network Attack Complexity: High Privileges Required: High User Interaction: Required Scope: Changed Confidentiality: Low Integrity: High Availability: Low
4.8	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N	1.7	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2021-45670

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-45670

https://kb.netgear.com/000064480/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0255

Security Advisory for Stored Cross Site Scripting on Some Routers, Extenders, and WiFi Systems, PSV-2020-0255 | Answer | NETGEAR Support
Patch;Vendor Advisory

Products affected by CVE-2021-45670

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 (<) 1.0.4.68
cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R8000 » Version: N/A
Netgear » R7000p Firmware
Versions before (<) 1.3.2.126
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R7000p » Version: N/A
Netgear » R6900p Firmware
Versions before (<) 1.3.2.126
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » R6900p » Version: N/A
Netgear » Ex3700 Firmware
Versions before (<) 1.0.0.90
cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex3700 » Version: N/A
Netgear » Ex3800 Firmware
Versions before (<) 1.0.0.90
cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex3800 » Version: N/A
Netgear » Ex6120 Firmware
Versions before (<) 1.0.0.64
cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6120 » Version: N/A
Netgear » Ex6130 Firmware
Versions before (<) 1.0.0.44
cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Ex6130 » Version: N/A
Netgear » Rbw30 Firmware
Versions before (<) 2.6.1.4
cpe:2.3:o:netgear:rbw30_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbw30 » 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 (<) 3.2.16.6
cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr850 » Version: N/A
Netgear » Rbk852 Firmware
Versions before (<) 3.2.16.6
cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk852 » Version: N/A
Netgear » Rbs850 Firmware
Versions before (<) 3.2.16.6
cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs850 » Version: N/A
Netgear » Rbs40v Firmware
Versions before (<) 2.6.1.4
cpe:2.3:o:netgear:rbs40v_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs40v » Version: N/A
Netgear » Rbk752 Firmware
Versions before (<) 3.2.16.6
cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbk752 » Version: N/A
Netgear » Rbr750 Firmware
Versions before (<) 3.2.16.6
cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbr750 » Version: N/A
Netgear » Rbs750 Firmware
Versions before (<) 3.2.16.6
cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rbs750 » Version: N/A
Netgear » Cbr40 Firmware
Versions before (<) 2.5.0.10
cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Cbr40 » 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 » 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 (<) 1.0.2.82
cpe:2.3:o:netgear:rax15_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax15 » Version: N/A
Netgear » Rax20 Firmware
Versions before (<) 1.0.2.82
cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax20 » Version: N/A
Netgear » Rax45 Firmware
Versions before (<) 1.0.2.72
cpe:2.3:o:netgear:rax45_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Netgear » Rax45 » Version: N/A
Netgear » Rax50 Firmware
Versions before (<) 1.0.2.72
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

Vulnerability Details : CVE-2021-45670

Exploit prediction scoring system (EPSS) score for CVE-2021-45670

CVSS scores for CVE-2021-45670

CWE ids for CVE-2021-45670

References for CVE-2021-45670

Products affected by CVE-2021-45670