6.8
MEDIUM
CVE-2021-45550
"NETGEAR Command Injection Vulnerability"
Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6100 before 1.0.0.63, D6220 before 1.0.0.52, D6400 before 1.0.0.86, D7800 before 1.0.1.56, D8500 before 1.0.3.44, DGN2200Bv4 before 1.0.0.109, DGN2200v4 before 1.0.0.110, R6250 before 1.0.4.34, R6300v2 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7100LG before 1.0.0.50, R7300 before 1.0.0.70, R7900 before 1.0.3.8, R7900P before 1.4.1.30, R8000 before 1.0.4.28, R8000P before 1.4.1.30, R8300 before 1.0.2.128, R8500 before 1.0.2.128, WNDR3400v3 before 1.0.1.24, WNR3500Lv2 before 1.2.0.62, and XR500 before 2.3.2.56.

INFO

Published Date :

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

Last Modified :

Jan. 5, 2022, 7:37 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.9
Affected Products

The following products are affected by CVE-2021-45550 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 dgn2200_firmware
2 Netgear d3600_firmware
3 Netgear d6000_firmware
4 Netgear r6300_firmware
5 Netgear r6700_firmware
6 Netgear r6900_firmware
7 Netgear r6900p_firmware
8 Netgear r7000_firmware
9 Netgear r7000p_firmware
10 Netgear xr500_firmware
11 Netgear d7800_firmware
12 Netgear r6400_firmware
13 Netgear r7900_firmware
14 Netgear r7900p_firmware
15 Netgear r8000_firmware
16 Netgear r8000p_firmware
17 Netgear d6220_firmware
18 Netgear d6400_firmware
19 Netgear d8500_firmware
20 Netgear r6250_firmware
21 Netgear r7100lg_firmware
22 Netgear r8300_firmware
23 Netgear r8500_firmware
24 Netgear d6100_firmware
25 Netgear wndr3400_firmware
26 Netgear wnr3500l_firmware
27 Netgear r7300_firmware
28 Netgear dgn2200b_firmware
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-2021-45550.

URL Resource
https://kb.netgear.com/000064049/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2018-0376 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-2021-45550 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-45550 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 [email protected]

    May. 14, 2024

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

    Jan. 05, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000064049/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2018-0376 No Types Assigned https://kb.netgear.com/000064049/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2018-0376 Vendor Advisory
    Added CWE NIST CWE-77
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d3600_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.76 OR cpe:2.3:h:netgear:d3600:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.78 OR cpe:2.3:h:netgear:d6000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.63 OR cpe:2.3:h:netgear:d6100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.52 OR cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.86 OR cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.56 OR cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.44 OR cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:dgn2200b_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.109 OR cpe:2.3:h:netgear:dgn2200b:v4:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:dgn2200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.110 OR cpe:2.3:h:netgear:dgn2200:v4:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.34 OR cpe:2.3:h:netgear:r6250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6300_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.34 OR cpe:2.3:h:netgear:r6300:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.46 OR cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.66 OR cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.6 OR cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.66 OR cpe:2.3:h:netgear:r6700:v3:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.4 OR cpe:2.3:h:netgear:r6900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.1.64 OR cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.9.42 OR cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.1.64 OR cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.50 OR cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7300_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.70 OR cpe:2.3:h:netgear:r7300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.8 OR cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.1.30 OR cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.28 OR cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.4.1.30 OR cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.128 OR cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.128 OR cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wndr3400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.24 OR cpe:2.3:h:netgear:wndr3400:v3:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wnr3500l_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.62 OR cpe:2.3:h:netgear:wnr3500l:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.2.56 OR cpe:2.3:h:netgear:xr500:-:*:*:*:*:*:*:*
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-2021-45550 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.

0.04 }} 0.00%

score

0.10398

percentile

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