8.8
HIGH
CVE-2021-45551
NETGEAR Command Injection Vulnerability
Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D6200 before 1.1.00.40, D7000 before 1.0.1.78, R6020 before 1.0.0.42, R6080 before 1.0.0.42, R6050 before 1.0.1.26, JR6150 before 1.0.1.26, R6120 before 1.0.0.66, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.64, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, AC2600 before 1.2.0.62, and WNR2020 before 1.1.0.62.

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 :

2.8
Affected Products

The following products are affected by CVE-2021-45551 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 d6200_firmware
2 Netgear d7000_firmware
3 Netgear jr6150_firmware
4 Netgear r6020_firmware
5 Netgear r6050_firmware
6 Netgear r6080_firmware
7 Netgear r6120_firmware
8 Netgear r6220_firmware
9 Netgear r6260_firmware
10 Netgear r6800_firmware
11 Netgear ac2100_firmware
12 Netgear ac2400_firmware
13 Netgear ac2600_firmware
14 Netgear r6230_firmware
15 Netgear r6700v2_firmware
16 Netgear r6900v2_firmware
17 Netgear r7450_firmware
18 Netgear wnr2020_firmware
19 Netgear d7000
20 Netgear r6220
21 Netgear wnr2020
22 Netgear r6260
23 Netgear r6800
24 Netgear d6200
25 Netgear jr6150
26 Netgear r6020
27 Netgear r6050
28 Netgear r6080
29 Netgear r6120
30 Netgear r6230
31 Netgear r6700v2
32 Netgear r6900v2
33 Netgear r7450
34 Netgear ac2100
35 Netgear ac2400
36 Netgear ac2600
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-45551.

URL Resource
https://kb.netgear.com/000064056/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0022 Patch Vendor Advisory
https://kb.netgear.com/000064056/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0022 Patch Vendor Advisory

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-2021-45551 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-45551 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/000064056/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0022
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Jan. 10, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000064056/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0022 No Types Assigned https://kb.netgear.com/000064056/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2019-0022 Patch, Vendor Advisory
    Added CWE NIST CWE-77
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.00.40 OR cpe:2.3:h:netgear:d6200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.78 OR cpe:2.3:h:netgear:d7000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6020_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.42 OR cpe:2.3:h:netgear:r6020:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6080_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.42 OR cpe:2.3:h:netgear:r6080:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6050_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.26 OR cpe:2.3:h:netgear:r6050:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:jr6150_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.26 OR cpe:2.3:h:netgear:jr6150:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6120_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.66 OR cpe:2.3:h:netgear:r6120:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.110 OR cpe:2.3:h:netgear:r6220:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6230_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.110 OR cpe:2.3:h:netgear:r6230:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.64 OR cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.62 OR cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.62 OR cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.62 OR cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.62 OR cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.62 OR cpe:2.3:h:netgear:ac2100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ac2400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.62 OR cpe:2.3:h:netgear:ac2400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.62 OR cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wnr2020_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.62 OR cpe:2.3:h:netgear:wnr2020:-:*:*:*:*:*:*:*
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-2021-45551 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.

0.18 }} 0.05%

score

0.55039

percentile

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