9.8
CRITICAL
CVE-2021-45620
"NETGEAR Command Injection Vulnerability"
Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, EAX20 before 1.0.0.58, EAX80 before 1.0.1.68, LAX20 before 1.1.6.28, MR60 before 1.0.6.116, MR80 before 1.1.2.20, MS60 before 1.0.6.116, MS80 before 1.1.2.20, MK62 before 1.0.6.116, MK83 before 1.1.2.20, R6400 before 1.0.1.70, R6400v2 before 1.0.4.106, R6700v3 before 1.0.4.106, R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, R7850 before 1.0.5.74, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX15 before 1.0.3.96, RAX20 before 1.0.3.96, RAX200 before 1.0.4.120, RAX35v2 before 1.0.3.96, RAX40v2 before 1.0.3.96, RAX43 before 1.0.3.96, RAX45 before 1.0.3.96, RAX50 before 1.0.3.96, 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, RBS850 before 3.2.17.12, RS400 before 1.5.1.80, XR1000 before 1.0.0.58, and XR300 before 1.0.3.68.

INFO

Published Date :

Dec. 26, 2021, 1:15 a.m.

Last Modified :

Nov. 21, 2024, 6:32 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-45620 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netgear r6900p_firmware
2 Netgear r7000_firmware
3 Netgear r7000p_firmware
4 Netgear rbk752_firmware
5 Netgear rbr750_firmware
6 Netgear rbs750_firmware
7 Netgear rbk852_firmware
8 Netgear rbr850_firmware
9 Netgear rbs850_firmware
10 Netgear cbr40_firmware
11 Netgear eax20_firmware
12 Netgear eax80_firmware
13 Netgear mk62_firmware
14 Netgear mr60_firmware
15 Netgear ms60_firmware
16 Netgear r6400_firmware
17 Netgear r6400v2_firmware
18 Netgear r6700v3_firmware
19 Netgear r7850_firmware
20 Netgear r7900_firmware
21 Netgear r7900p_firmware
22 Netgear r7960p_firmware
23 Netgear r8000_firmware
24 Netgear r8000p_firmware
25 Netgear rax15_firmware
26 Netgear rax20_firmware
27 Netgear rax200_firmware
28 Netgear rax45_firmware
29 Netgear rax50_firmware
30 Netgear rax75_firmware
31 Netgear rax80_firmware
32 Netgear rs400_firmware
33 Netgear xr300_firmware
34 Netgear lax20_firmware
35 Netgear mr80_firmware
36 Netgear ms80_firmware
37 Netgear rax43_firmware
38 Netgear cbr750_firmware
39 Netgear xr1000_firmware
40 Netgear rbk752
41 Netgear rax35v2_firmware
42 Netgear rax40v2_firmware
43 Netgear mk83_firmware
44 Netgear r7000
45 Netgear r6400
46 Netgear r7900
47 Netgear r8000
48 Netgear xr1000
49 Netgear r6900p
50 Netgear r7000p
51 Netgear r7900p
52 Netgear r8000p
53 Netgear xr300
54 Netgear rbr750
55 Netgear rbs750
56 Netgear rbk852
57 Netgear rbr850
58 Netgear rbs850
59 Netgear mk62
60 Netgear mr60
61 Netgear ms60
62 Netgear cbr40
63 Netgear r6400v2
64 Netgear r6700v3
65 Netgear r7850
66 Netgear rax20
67 Netgear rax80
68 Netgear eax20
69 Netgear eax80
70 Netgear r7960p
71 Netgear rax15
72 Netgear rax200
73 Netgear rax45
74 Netgear rax50
75 Netgear rax75
76 Netgear rs400
77 Netgear rax35v2
78 Netgear rax40v2
79 Netgear rax43
80 Netgear cbr750
81 Netgear lax20
82 Netgear mr80
83 Netgear ms80
84 Netgear mk83
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-45620 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-45620 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://kb.netgear.com/000064510/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0509
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 07, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000064510/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0509 No Types Assigned https://kb.netgear.com/000064510/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0509 Vendor Advisory
    Added CWE NIST CWE-77
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.0.24 OR cpe:2.3:h:netgear:cbr40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:cbr750_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.6.3.6 OR cpe:2.3:h:netgear:cbr750:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:eax20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.58 OR cpe:2.3:h:netgear:eax20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:eax80_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.68 OR cpe:2.3:h:netgear:eax80:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:lax20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.6.28 OR cpe:2.3:h:netgear:lax20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:mr60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6.116 OR cpe:2.3:h:netgear:mr60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ms60_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6.116 OR cpe:2.3:h:netgear:ms60:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6400v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.118 OR cpe:2.3:h:netgear:r6400v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6700v3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.118 OR cpe:2.3:h:netgear:r6700v3:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.3.140 OR cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.11.126 OR cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.3.140 OR cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7850_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.5.74 OR cpe:2.3:h:netgear:r7850:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.46 OR cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.2.84 OR cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.2.84 OR cpe:2.3:h:netgear:r7960p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.74 OR cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.2.84 OR cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax15_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.96 OR cpe:2.3:h:netgear:rax15:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.96 OR cpe:2.3:h:netgear:rax20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.120 OR cpe:2.3:h:netgear:rax200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax35v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.96 OR cpe:2.3:h:netgear:rax35v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax40v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.96 OR cpe:2.3:h:netgear:rax40v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax43_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.96 OR cpe:2.3:h:netgear:rax43:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax45_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.96 OR cpe:2.3:h:netgear:rax45:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.96 OR cpe:2.3:h:netgear:rax50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.120 OR cpe:2.3:h:netgear:rax75:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.120 OR cpe:2.3:h:netgear:rax80:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1.80 OR cpe:2.3:h:netgear:rs400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:xr1000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.58 OR cpe:2.3:h:netgear:xr1000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:xr300_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.68 OR cpe:2.3:h:netgear:xr300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.70 OR cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:mk62_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.6.116 OR cpe:2.3:h:netgear:mk62:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:mr80_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.2.20 OR cpe:2.3:h:netgear:mr80:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ms80_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.2.20 OR cpe:2.3:h:netgear:ms80:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:mk83_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.2.20 OR cpe:2.3:h:netgear:mk83:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-45620 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.53 }} 0.16%

score

0.77355

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability