CVE-2021-45638
NETGEAR Stack-Based Buffer Overflow Denial of Service
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before 1.0.3.60, DC112A before 1.0.0.56, R6300v2 before 1.0.4.50, R6400 before 1.0.1.68, R7000 before 1.0.11.116, R7100LG before 1.0.0.70, RBS40V before 2.6.2.8, RBW30 before 2.6.2.2, RS400 before 1.5.1.80, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.
INFO
Published Date :
Dec. 26, 2021, 1:15 a.m.
Last Modified :
Jan. 10, 2022, 8:17 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-45638
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.
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-2021-45638.
| URL | Resource |
|---|---|
| https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464 | 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-2021-45638 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-45638 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]
Jan. 10, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) 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/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464 No Types Assigned https://kb.netgear.com/000064496/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2020-0464 Patch, Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.68 OR cpe:2.3:h:netgear:d6220:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:d6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.102 OR cpe:2.3:h:netgear:d6400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:d7000v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.74 OR cpe:2.3:h:netgear:d7000v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3.60 OR cpe:2.3:h:netgear:d8500:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:dc112a_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.56 OR cpe:2.3:h:netgear:dc112a:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6300v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.4.50 OR cpe:2.3:h:netgear:r6300v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.1.68 OR cpe:2.3:h:netgear:r6400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.11.116 OR cpe:2.3:h:netgear:r7000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7100lg_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.0.70 OR cpe:2.3:h:netgear:r7100lg:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.2.132 OR cpe:2.3:h:netgear:r7000p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:rbs40v_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.6.2.8 OR cpe:2.3:h:netgear:rbs40v:-:*:*:*:*:*:*:* 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:rs400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1.80 OR cpe:2.3:h:netgear:rs400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.3.2.132 OR cpe:2.3:h:netgear:r6900p:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-45638 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-2021-45638
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.25 }} 0.02%
score
0.65558
percentile