9.8
CRITICAL
CVE-2021-45658
NETGEAR Server-Side Injection Vulnerability
Description

Certain NETGEAR devices are affected by server-side injection. This affects D7800 before 1.0.1.58, DM200 before 1.0.0.66, EX2700 before 1.0.1.56, EX6150v2 before 1.0.1.86, EX6100v2 before 1.0.1.86, EX6200v2 before 1.0.1.78, EX6250 before 1.0.0.110, EX6410 before 1.0.0.110, EX6420 before 1.0.0.110, EX6400v2 before 1.0.0.110, EX7300 before 1.0.2.144, EX6400 before 1.0.2.144, EX7320 before 1.0.0.110, EX7300v2 before 1.0.0.110, R7500v2 before 1.0.3.48, R7800 before 1.0.2.68, R8900 before 1.0.5.2, R9000 before 1.0.5.2, RAX120 before 1.0.1.90, RBK40 before 2.5.1.16, RBK20 before 2.5.1.16, RBR20 before 2.5.1.16, RBS20 before 2.5.1.16, RBK50 before 2.5.1.16, RBR50 before 2.5.1.16, RBS50 before 2.5.1.16, RBS50Y before 2.6.1.40, WN3000RPv2 before 1.0.0.78, WN3000RPv3 before 1.0.2.80, WNR2000v5 before 1.0.0.72, XR500 before 2.3.2.56, and XR700 before 1.0.1.20.

INFO

Published Date :

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

Last Modified :

Jan. 10, 2022, 8:48 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-45658 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 r7800_firmware
2 Netgear r8900_firmware
3 Netgear r9000_firmware
4 Netgear xr500_firmware
5 Netgear d7800_firmware
6 Netgear rax120_firmware
7 Netgear rbk20_firmware
8 Netgear rbr20_firmware
9 Netgear rbs20_firmware
10 Netgear rbk40_firmware
11 Netgear rbk50_firmware
12 Netgear rbr50_firmware
13 Netgear rbs50_firmware
14 Netgear xr700_firmware
15 Netgear dm200_firmware
16 Netgear ex2700_firmware
17 Netgear ex6100v2_firmware
18 Netgear ex6150v2_firmware
19 Netgear ex6200v2_firmware
20 Netgear ex6400_firmware
21 Netgear ex7300_firmware
22 Netgear r7500v2_firmware
23 Netgear wn3000rpv2_firmware
24 Netgear wn3000rpv3_firmware
25 Netgear wnr2000v5_firmware
26 Netgear ex6250_firmware
27 Netgear ex6400v2_firmware
28 Netgear ex6410_firmware
29 Netgear ex7300v2_firmware
30 Netgear ex7320_firmware
31 Netgear rbs50y_firmware
32 Netgear ex6420_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-2021-45658.

URL Resource
https://kb.netgear.com/000064062/Security-Advisory-for-Server-Side-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2019-0125 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-2021-45658 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-45658 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. 10, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    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/000064062/Security-Advisory-for-Server-Side-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2019-0125 No Types Assigned https://kb.netgear.com/000064062/Security-Advisory-for-Server-Side-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2019-0125 Patch, Vendor Advisory
    Added CWE NIST CWE-74
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.58 OR cpe:2.3:h:netgear:d7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:dm200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.66 OR cpe:2.3:h:netgear:dm200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex2700_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.56 OR cpe:2.3:h:netgear:ex2700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6150v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.86 OR cpe:2.3:h:netgear:ex6150v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6100v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.86 OR cpe:2.3:h:netgear:ex6100v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6200v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.78 OR cpe:2.3:h:netgear:ex6200v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6250_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.110 OR cpe:2.3:h:netgear:ex6250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6410_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.110 OR cpe:2.3:h:netgear:ex6410:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6420_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.110 OR cpe:2.3:h:netgear:ex6420:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6400v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.110 OR cpe:2.3:h:netgear:ex6400v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex7300_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.144 OR cpe:2.3:h:netgear:ex7300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.144 OR cpe:2.3:h:netgear:ex6400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex7320_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.110 OR cpe:2.3:h:netgear:ex7320:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex7300v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.110 OR cpe:2.3:h:netgear:ex7300v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7500v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.48 OR cpe:2.3:h:netgear:r7500v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.68 OR cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.5.2 OR cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.5.2 OR cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rax120_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.90 OR cpe:2.3:h:netgear:rax120:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk40_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.1.16 OR cpe:2.3:h:netgear:rbk40:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.1.16 OR cpe:2.3:h:netgear:rbk20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.1.16 OR cpe:2.3:h:netgear:rbr20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.1.16 OR cpe:2.3:h:netgear:rbs20:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.1.16 OR cpe:2.3:h:netgear:rbk50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.1.16 OR cpe:2.3:h:netgear:rbr50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.5.1.16 OR cpe:2.3:h:netgear:rbs50:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs50y_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.1.40 OR cpe:2.3:h:netgear:rbs50y:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wn3000rpv2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.78 OR cpe:2.3:h:netgear:wn3000rpv2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wn3000rpv3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.80 OR cpe:2.3:h:netgear:wn3000rpv3:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wnr2000v5_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.72 OR cpe:2.3:h:netgear:wnr2000v5:-:*:*:*:*:*:*:*
    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:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:xr700_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.20 OR cpe:2.3:h:netgear:xr700:-:*:*:*:*:*:*:*
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-2021-45658 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-45658 weaknesses.

CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters Using Leading 'Ghost' Character Sequences to Bypass Input Filters CAPEC-6: Argument Injection Argument Injection CAPEC-7: Blind SQL Injection Blind SQL Injection CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-28: Fuzzing Fuzzing CAPEC-34: HTTP Response Splitting HTTP Response Splitting CAPEC-42: MIME Conversion MIME Conversion CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-51: Poison Web Service Registry Poison Web Service Registry CAPEC-52: Embedding NULL Bytes Embedding NULL Bytes CAPEC-53: Postfix, Null Terminate, and Backslash Postfix, Null Terminate, and Backslash CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic Using Slashes and URL Encoding Combined to Bypass Validation Logic CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-71: Using Unicode Encoding to Bypass Validation Logic Using Unicode Encoding to Bypass Validation Logic CAPEC-72: URL Encoding URL Encoding CAPEC-76: Manipulating Web Input to File System Calls Manipulating Web Input to File System Calls CAPEC-78: Using Escaped Slashes in Alternate Encoding Using Escaped Slashes in Alternate Encoding CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-80: Using UTF-8 Encoding to Bypass Validation Logic Using UTF-8 Encoding to Bypass Validation Logic CAPEC-83: XPath Injection XPath Injection CAPEC-84: XQuery Injection XQuery Injection CAPEC-101: Server Side Include (SSI) Injection Server Side Include (SSI) Injection CAPEC-105: HTTP Request Splitting HTTP Request Splitting CAPEC-108: Command Line Execution through SQL Injection Command Line Execution through SQL Injection CAPEC-120: Double Encoding Double Encoding CAPEC-135: Format String Injection Format String Injection CAPEC-250: XML Injection XML Injection CAPEC-267: Leverage Alternate Encoding Leverage Alternate Encoding CAPEC-273: HTTP Response Smuggling HTTP Response Smuggling
Exploit Prediction

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

0.23 }} 0.03%

score

0.61794

percentile

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