8.8
HIGH
CVE-2019-20753
NETGEAR Stack-Based Buffer Overflow Vulnerability
Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects DGN2200v1 before 1.0.0.58, D8500 before 1.0.3.42, D7000v2 before 1.0.0.51, D6400 before 1.0.0.78, D6220 before 1.0.0.44, JNDR3000 before 1.0.0.24, R8000 before 1.0.4.18, R8500 before 1.0.2.122, R8300 before 1.0.2.122, R7900 before 1.0.2.16, R7000P before 1.3.2.34, R7300DST before 1.0.0.68, R7100LG before 1.0.0.46, R6900P before 1.3.2.34, R7000 before 1.0.9.28, R6900 before 1.0.1.46, R6700 before 1.0.1.46, R6400v2 before 1.0.2.56, R6400 before 1.0.1.42, R6300v2 before 1.0.4.28, R6250 before 1.0.4.26, WNDR3400v3 before 1.0.1.22, WNDR4500v2 before 1.0.0.72, and WNR3500Lv2 before 1.2.0.50.

INFO

Published Date :

April 16, 2020, 10:15 p.m.

Last Modified :

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

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2019-20753 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 dgn2200_firmware
3 Netgear d7000_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 r6400_firmware
11 Netgear r7900_firmware
12 Netgear r8000_firmware
13 Netgear d6220_firmware
14 Netgear d6400_firmware
15 Netgear d8500_firmware
16 Netgear r6250_firmware
17 Netgear r7100lg_firmware
18 Netgear r8300_firmware
19 Netgear r8500_firmware
20 Netgear r7300dst_firmware
21 Netgear wndr3400_firmware
22 Netgear wnr3500l_firmware
23 Netgear jndr3000_firmware
24 Netgear r7000
25 Netgear r6300
26 Netgear wndr4500
27 Netgear d6400
28 Netgear d6220
29 Netgear r6250
30 Netgear r6400
31 Netgear r6700
32 Netgear r6900
33 Netgear r7100lg
34 Netgear r7300dst
35 Netgear r7900
36 Netgear r8000
37 Netgear dgn2200
38 Netgear d7000
39 Netgear d8500
40 Netgear jndr3000
41 Netgear r6900p
42 Netgear r7000p
43 Netgear r8300
44 Netgear r8500
45 Netgear wnr3500l
46 Netgear wndr3400
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-2019-20753.

URL Resource
https://kb.netgear.com/000060629/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Modem-Routers-PSV-2018-0085 Vendor Advisory
https://kb.netgear.com/000060629/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Modem-Routers-PSV-2018-0085 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-2019-20753 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-20753 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/000060629/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Modem-Routers-PSV-2018-0085
  • 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:A/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000060629/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Modem-Routers-PSV-2018-0085 No Types Assigned https://kb.netgear.com/000060629/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-and-Modem-Routers-PSV-2018-0085 Vendor Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:dgn2200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.58 OR cpe:2.3:h:netgear:dgn2200:v1:*:*:*:*:*:*:*
    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: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: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: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:jndr3000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.24 OR cpe:2.3:h:netgear:jndr3000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.18 OR cpe:2.3:h:netgear:r8000:-:*:*:*:*:*:*:*
    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: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:r7900_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.16 OR cpe:2.3:h:netgear:r7900:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.2.34 OR cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:*
    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: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:r6900p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.2.34 OR cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.9.28 OR cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:*
    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: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:r6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2.56 OR cpe:2.3:h:netgear:r6400:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.42 OR cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:*
    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: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: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:wndr4500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.72 OR cpe:2.3:h:netgear:wndr4500:v2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:wnr3500l_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.50 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-2019-20753 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-2019-20753 weaknesses.

Exploit Prediction

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

0.08 }} 0.00%

score

0.32361

percentile

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