9.8
CRITICAL
CVE-2021-45511
NETGEAR Authentication Bypass Vulnerability
Description

Certain NETGEAR devices are affected by authentication bypass. This affects AC2100 before 2021-08-27, AC2400 before 2021-08-27, AC2600 before 2021-08-27, D7000 before 2021-08-27, R6220 before 2021-08-27, R6230 before 2021-08-27, R6260 before 2021-08-27, R6330 before 2021-08-27, R6350 before 2021-08-27, R6700v2 before 2021-08-27, R6800 before 2021-08-27, R6850 before 2021-08-27, R6900v2 before 2021-08-27, R7200 before 2021-08-27, R7350 before 2021-08-27, R7400 before 2021-08-27, and R7450 before 2021-08-27.

INFO

Published Date :

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

Last Modified :

Nov. 21, 2024, 6:32 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-45511 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 d7000_firmware
2 Netgear r6220_firmware
3 Netgear r6260_firmware
4 Netgear r6800_firmware
5 Netgear ac2100_firmware
6 Netgear ac2400_firmware
7 Netgear ac2600_firmware
8 Netgear r6230_firmware
9 Netgear r6330_firmware
10 Netgear r6350_firmware
11 Netgear r6700v2_firmware
12 Netgear r6850_firmware
13 Netgear r6900v2_firmware
14 Netgear r7200_firmware
15 Netgear r7350_firmware
16 Netgear r7400_firmware
17 Netgear r7450_firmware
18 Netgear d7000
19 Netgear r6220
20 Netgear r6260
21 Netgear r6800
22 Netgear r6230
23 Netgear r6350
24 Netgear r6850
25 Netgear r6700v2
26 Netgear r6900v2
27 Netgear r7450
28 Netgear ac2100
29 Netgear ac2400
30 Netgear ac2600
31 Netgear r6330
32 Netgear r7200
33 Netgear r7350
34 Netgear r7400
: 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-2021-45511.

URL Resource
https://kb.netgear.com/000063961/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-the-D7000-and-Some-Routers-PSV-2021-0133 Patch Vendor Advisory
https://kb.netgear.com/000063961/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-the-D7000-and-Some-Routers-PSV-2021-0133 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-2021-45511 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-45511 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/000063961/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-the-D7000-and-Some-Routers-PSV-2021-0133
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Changed CWE CWE-287 NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Jan. 06, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    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/000063961/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-the-D7000-and-Some-Routers-PSV-2021-0133 No Types Assigned https://kb.netgear.com/000063961/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-the-D7000-and-Some-Routers-PSV-2021-0133 Patch, Vendor Advisory
    Added CWE NIST CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ac2100_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:ac2100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ac2400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:ac2400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:ac2600_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:ac2600:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.80 OR cpe:2.3:h:netgear:d7000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.110 OR cpe:2.3:h:netgear:r6220:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6230_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.110 OR cpe:2.3:h:netgear:r6230:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6260_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.84 OR cpe:2.3:h:netgear:r6260:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6330_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.84 OR cpe:2.3:h:netgear:r6330:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6350_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.84 OR cpe:2.3:h:netgear:r6350:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6700v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r6700v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r6800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6850_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.0.84 OR cpe:2.3:h:netgear:r6850:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6900v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r6900v2:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7200_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r7200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7350_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r7350:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r7400:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7450_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.2.0.88 OR cpe:2.3:h:netgear:r7450:-:*:*:*:*:*:*:*
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-2021-45511 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-2021-45511 weaknesses.

Exploit Prediction

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

0.28 }} 0.07%

score

0.68226

percentile

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