9.6
CRITICAL
CVE-2021-29077
NETGEAR Command Injection Vulnerability
Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBW30 before 2.6.2.2, RBS40V before 2.6.2.4, RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, RBK753 before 3.2.17.12, RBK753S before 3.2.17.12, RBK754 before 3.2.17.12, RBR750 before 3.2.17.12, and RBS750 before 3.2.17.12.

INFO

Published Date :

March 23, 2021, 7:15 a.m.

Last Modified :

Nov. 21, 2024, 6 a.m.

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-29077 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 rbs40v_firmware
2 Netgear rbk752_firmware
3 Netgear rbr750_firmware
4 Netgear rbs750_firmware
5 Netgear rbk852_firmware
6 Netgear rbr850_firmware
7 Netgear rbs850_firmware
8 Netgear rbw30_firmware
9 Netgear rbk753_firmware
10 Netgear rbk753s_firmware
11 Netgear rbk853_firmware
12 Netgear rbk752
13 Netgear rbk854_firmware
14 Netgear rbk754_firmware
15 Netgear rbw30
16 Netgear rbk753
17 Netgear rbk753s
18 Netgear rbr750
19 Netgear rbs750
20 Netgear rbk852
21 Netgear rbk853
22 Netgear rbr850
23 Netgear rbs850
24 Netgear rbs40v
25 Netgear rbk854
26 Netgear rbk754
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-2021-29077.

URL Resource
https://kb.netgear.com/000063016/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0486 Vendor Advisory
https://kb.netgear.com/000063016/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0486 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-2021-29077 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-29077 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/000063016/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0486
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Mar. 24, 2021

    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:C/C:H/I:H/A:H
    Changed Reference Type https://kb.netgear.com/000063016/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0486 No Types Assigned https://kb.netgear.com/000063016/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0486 Vendor Advisory
    Added CWE NIST CWE-77
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbw30_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.2.2 OR cpe:2.3:h:netgear:rbw30:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs40v_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.2.4 OR cpe:2.3:h:netgear:rbs40v:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk852_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbk852:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk853_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbk853:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk854_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbk854:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr850_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbr850:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs850_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbs850:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk752_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbk752:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk753_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbk753:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk753s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbk753s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbk754_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbk754:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbr750_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbr750:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs750_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.2.17.12 OR cpe:2.3:h:netgear:rbs750:-:*:*:*:*:*:*:*
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-2021-29077 is associated with the following CWEs:

Exploit Prediction

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

0.08 }} 0.03%

score

0.32327

percentile

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