6.7
MEDIUM
CVE-2019-20700
NETGEAR Stack-Based Buffer Overflow Vulnerability
Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.44, D6400 before 1.0.0.78, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v4 before 1.0.0.110, DGND2200Bv4 before 1.0.0.110, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.24, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6250 before 1.0.4.26, R6300v2 before 1.0.4.28, R6400 before 1.0.1.36, R6400v2 before 1.0.2.52, R6700 before 1.0.1.46, R6900 before 1.0.1.46, R7000 before 1.0.9.28, R7900 before 1.0.2.10, R8000 before 1.0.4.12, R8300 before 1.0.2.122, R8500 before 1.0.2.122, R6900P before 1.3.1.64, R7000P before 1.3.1.64, R7100LG before 1.0.0.46, R7300DST before 1.0.0.68, R7900P before 1.3.0.10, R8000P before 1.3.0.10, WN2500RPv2 before 1.0.1.54, WNDR3400v3 before 1.0.1.22, and WNR3500Lv2 before 1.2.0.54.

INFO

Published Date :

April 16, 2020, 7:15 p.m.

Last Modified :

April 23, 2020, 1:25 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2019-20700 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 d7000_firmware
3 Netgear ex6200_firmware
4 Netgear ex7000_firmware
5 Netgear r6300_firmware
6 Netgear r6700_firmware
7 Netgear r6900_firmware
8 Netgear r6900p_firmware
9 Netgear r7000_firmware
10 Netgear r7000p_firmware
11 Netgear r6400_firmware
12 Netgear r7900_firmware
13 Netgear r7900p_firmware
14 Netgear r8000_firmware
15 Netgear r8000p_firmware
16 Netgear d6220_firmware
17 Netgear d6400_firmware
18 Netgear d8500_firmware
19 Netgear ex3700_firmware
20 Netgear ex3800_firmware
21 Netgear ex6000_firmware
22 Netgear ex6100_firmware
23 Netgear ex6120_firmware
24 Netgear ex6130_firmware
25 Netgear ex6150_firmware
26 Netgear r6250_firmware
27 Netgear r7100lg_firmware
28 Netgear r8300_firmware
29 Netgear r8500_firmware
30 Netgear wn2500rp_firmware
31 Netgear dgnd2200b_firmware
32 Netgear r7300dst_firmware
33 Netgear wndr3400_firmware
34 Netgear wnr3500l_firmware
: Total Affected Vendor : 1 | Products : 34
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-2019-20700.

URL Resource
https://kb.netgear.com/000061194/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2018 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-2019-20700 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-20700 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]

    Apr. 23, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000061194/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2018 No Types Assigned https://kb.netgear.com/000061194/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2018 Vendor Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.44 OR cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.78 OR cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.51 OR cpe:2.3:h:netgear:d7000:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.42 OR cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:*
    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:dgnd2200b_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.110 OR cpe:2.3:h:netgear:dgnd2200b:v4:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex3700_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.70 OR cpe:2.3:h:netgear:ex3700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex3800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.70 OR cpe:2.3:h:netgear:ex3800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.30 OR cpe:2.3:h:netgear:ex6000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.24 OR cpe:2.3:h:netgear:ex6100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6120_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.40 OR cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6130_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.22 OR cpe:2.3:h:netgear:ex6130:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6150_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.42 OR cpe:2.3:h:netgear:ex6150:v1:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex6200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.88 OR cpe:2.3:h:netgear:ex6200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ex7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.66 OR cpe:2.3:h:netgear:ex7000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6250_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.26 OR cpe:2.3:h:netgear:r6250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6300_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.28 OR cpe:2.3:h:netgear:r6300:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.36 OR cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.52 OR cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.46 OR cpe:2.3:h:netgear:r6700:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.46 OR cpe:2.3:h:netgear:r6900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.9.28 OR cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.10 OR cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.12 OR cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.122 OR cpe:2.3:h:netgear:r8300:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.122 OR cpe:2.3:h:netgear:r8500:-:*:*:*:*:*:*:*
    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: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) 1.0.0.46 OR cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7300dst_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.68 OR cpe:2.3:h:netgear:r7300dst:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7900p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.0.10 OR cpe:2.3:h:netgear:r7900p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.0.10 OR cpe:2.3:h:netgear:r8000p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wn2500rp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.54 OR cpe:2.3:h:netgear:wn2500rp:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wndr3400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.22 OR cpe:2.3:h:netgear:wndr3400:v3:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wnr3500l_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.54 OR cpe:2.3:h:netgear:wnr3500l:v2:*:*:*:*:*:*:*
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-2019-20700 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-2019-20700 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
: