6.8
MEDIUM
CVE-2019-20751
NETGEAR Stack-Based Buffer Overflow Vulnerability
Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.60, DM200 before 1.0.0.61, EX2700 before 1.0.1.48, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.72, EX8000 before 1.0.1.180, R7800 before 1.0.2.52, R8900 before 1.0.4.26, R9000 before 1.0.4.26, WN2000RPTv3 before 1.0.1.32, WN3000RPv2 before 1.0.0.68, WN3000RPv3 before 1.0.2.70, WN3100RPv2 before 1.0.0.66, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, and WNR2000v5 before 1.0.0.68.

INFO

Published Date :

April 16, 2020, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 4:39 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.9
Affected Products

The following products are affected by CVE-2019-20751 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 wndr4500_firmware
2 Netgear r7800_firmware
3 Netgear ex6200_firmware
4 Netgear ex8000_firmware
5 Netgear r8900_firmware
6 Netgear r9000_firmware
7 Netgear ex6100_firmware
8 Netgear ex6150_firmware
9 Netgear dm200_firmware
10 Netgear ex2700_firmware
11 Netgear d6100_firmware
12 Netgear wn2000rpt_firmware
13 Netgear wn3000rp_firmware
14 Netgear wn3100rp_firmware
15 Netgear wndr4300_firmware
16 Netgear wnr2000_firmware
17 Netgear wndr4500
18 Netgear d6100
19 Netgear wndr4300
20 Netgear ex6100
21 Netgear wnr2000
22 Netgear r9000
23 Netgear r8900
24 Netgear r7800
25 Netgear dm200
26 Netgear ex2700
27 Netgear ex6150
28 Netgear ex6200
29 Netgear ex8000
30 Netgear wn2000rpt
31 Netgear wn3000rp
32 Netgear wn3100rp
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-2019-20751.

URL Resource
https://kb.netgear.com/000060964/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Extenders-Gateways-and-Routers-PSV-2018-0171 Vendor Advisory
https://kb.netgear.com/000060964/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Extenders-Gateways-and-Routers-PSV-2018-0171 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-2019-20751 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-20751 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/000060964/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Extenders-Gateways-and-Routers-PSV-2018-0171
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Apr. 21, 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:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000060964/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Extenders-Gateways-and-Routers-PSV-2018-0171 No Types Assigned https://kb.netgear.com/000060964/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Extenders-Gateways-and-Routers-PSV-2018-0171 Vendor Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.60 OR cpe:2.3:h:netgear:d6100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:dm200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.61 OR cpe:2.3:h:netgear:dm200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex2700_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.48 OR cpe:2.3:h:netgear:ex2700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.76 OR cpe:2.3:h:netgear:ex6100:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.76 OR cpe:2.3:h:netgear:ex6150:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.72 OR cpe:2.3:h:netgear:ex6200:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex8000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.180 OR cpe:2.3:h:netgear:ex8000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.52 OR cpe:2.3:h:netgear:r7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.26 OR cpe:2.3:h:netgear:r8900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.26 OR cpe:2.3:h:netgear:r9000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wn2000rpt_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.32 OR cpe:2.3:h:netgear:wn2000rpt:v3:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.68 OR cpe:2.3:h:netgear:wn3000rp:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wn3000rp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.70 OR cpe:2.3:h:netgear:wn3000rp:v3:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wn3100rp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.66 OR cpe:2.3:h:netgear:wn3100rp:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.58 OR cpe:2.3:h:netgear:wndr4300:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.58 OR cpe:2.3:h:netgear:wndr4500:v3:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.68 OR cpe:2.3:h:netgear:wnr2000:v5:*:*:*:*:*:*:*
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-2019-20751 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-2019-20751 weaknesses.

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

0.10264

percentile

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