1. Home
  2. Vulnerabilities
  3. CVE-2020-35787
8.0
HIGH CVSS 3.1
CVE-2020-35787
NETGEAR Buffer Overflow (Authenticated User)
Description

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.76, D6200 before 1.1.00.36, D7000 before 1.0.1.70, EX6200v2 before 1.0.1.78, EX7000 before 1.0.1.78, EX8000 before 1.0.1.186, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.42, R6050 before 1.0.1.18, R6080 before 1.0.0.42, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6260 before 1.1.0.64, R6300v2 before 1.0.4.34, R6700 before 1.0.2.6, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900 before 1.0.2.4, R6900P before 1.3.1.64, R6900v2 before 1.2.0.36, R7000 before 1.0.9.42, R7000P before 1.3.1.64, R7800 before 1.0.2.60, R8900 before 1.0.4.12, R9000 before 1.0.4.12, and XR500 before 2.3.2.40.

INFO

Published Date :

Dec. 30, 2020, 12:15 a.m.

Last Modified :

Nov. 21, 2024, 5:28 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2020-35787 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 d3600_firmware
3 Netgear d6000_firmware
4 Netgear d6200_firmware
5 Netgear d7000_firmware
6 Netgear ex6200_firmware
7 Netgear ex7000_firmware
8 Netgear ex8000_firmware
9 Netgear jr6150_firmware
10 Netgear pr2000_firmware
11 Netgear r6020_firmware
12 Netgear r6050_firmware
13 Netgear r6080_firmware
14 Netgear r6120_firmware
15 Netgear r6220_firmware
16 Netgear r6260_firmware
17 Netgear r6300_firmware
18 Netgear r6700_firmware
19 Netgear r6800_firmware
20 Netgear r6900_firmware
21 Netgear r6900p_firmware
22 Netgear r7000_firmware
23 Netgear r7000p_firmware
24 Netgear r8900_firmware
25 Netgear r9000_firmware
26 Netgear xr500_firmware
27 Netgear r7000
28 Netgear r6300
29 Netgear r6700
30 Netgear r6900
31 Netgear d7000
32 Netgear r6220
33 Netgear d3600
34 Netgear d6000
35 Netgear ex7000
36 Netgear r6900p
37 Netgear r7000p
38 Netgear r9000
39 Netgear r8900
40 Netgear r7800
41 Netgear xr500
42 Netgear r6260
43 Netgear r6800
44 Netgear d6200
45 Netgear jr6150
46 Netgear pr2000
47 Netgear r6020
48 Netgear r6050
49 Netgear r6080
50 Netgear r6120
51 Netgear ex6200
52 Netgear ex8000
: Total Affected Vendor : 1 | Products : 52
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
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-2020-35787.

URL Resource
https://kb.netgear.com/000062710/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Range-Extenders-PSV-2018-0379 Vendor Advisory
https://kb.netgear.com/000062710/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Range-Extenders-PSV-2018-0379 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-35787 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-2020-35787 weaknesses.

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-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-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File 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-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers

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-2020-35787 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2020-35787 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/000062710/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Range-Extenders-PSV-2018-0379
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Dec. 31, 2020

    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:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000062710/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Range-Extenders-PSV-2018-0379 No Types Assigned https://kb.netgear.com/000062710/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-and-Range-Extenders-PSV-2018-0379 Vendor Advisory
    Added CWE NIST CWE-120
    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) 1.0.0.76 OR cpe:2.3:h:netgear:d6000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.00.36 OR cpe:2.3:h:netgear:d6200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.70 OR cpe:2.3:h:netgear:d7000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.78 OR cpe:2.3:h:netgear:ex6200:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.78 OR cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.186 OR cpe:2.3:h:netgear:ex8000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:jr6150_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.18 OR cpe:2.3:h:netgear:jr6150:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:pr2000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.28 OR cpe:2.3:h:netgear:pr2000:-:*:*:*:*:*:*:*
    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:r6050_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.18 OR cpe:2.3:h:netgear:r6050:-:*:*:*:*:*:*:*
    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:r6120_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.46 OR cpe:2.3:h:netgear:r6120:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.80 OR cpe:2.3:h:netgear:r6220:-:*:*:*:*:*:*:*
    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: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: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) 1.2.0.36 OR cpe:2.3:h:netgear:r6700:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.36 OR cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:*
    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:r6900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.36 OR cpe:2.3:h:netgear:r6900:v2:*:*:*:*:*:*:*
    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:r7800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.60 OR cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.12 OR cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.12 OR cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:xr500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.3.2.40 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.
Vulnerability Scoring Details
Base CVSS Score: 8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 5.2
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

0.14 }} -0.21%

score

0.30454

percentile