CVE-2021-42659
Tenda Web Server Buffer Overflow Vulnerability
Description
There is a buffer overflow vulnerability in the Web server httpd of the router in Tenda router devices such as Tenda AC9 V1.0 V15.03.02.19(6318) and Tenda AC9 V3.0 V15.03.06.42_multi. When setting the virtual service, the httpd program will crash and exit when the super-long list parameter occurs.
INFO
Published Date :
May 24, 2022, 12:15 p.m.
Last Modified :
July 12, 2022, 5:42 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
2.8
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-2021-42659.
| URL | Resource |
|---|---|
| https://github.com/Lyc-heng/routers/blob/main/routers/stack4.md | Exploit Third Party Advisory |
| https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948 | Third Party 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-2021-42659 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-42659 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 -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-120 CWE-119 -
Initial Analysis by [email protected]
Jun. 02, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:N/I:N/A:C) Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/Lyc-heng/routers/blob/main/routers/stack4.md No Types Assigned https://github.com/Lyc-heng/routers/blob/main/routers/stack4.md Exploit, Third Party Advisory Changed Reference Type https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948 No Types Assigned https://www.cnvd.org.cn/flaw/show/CNVD-2021-24948 Third Party Advisory Added CWE NIST CWE-120 Added CPE Configuration AND OR *cpe:2.3:o:tenda:ac9_firmware:15.03.05.19\(6318\):*:*:*:*:*:*:* OR cpe:2.3:h:tenda:ac9:1.0:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:tenda:ac9_firmware:15.03.06.42_multi:*:*:*:*:*:*:* OR cpe:2.3:h:tenda:ac9:3.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-42659 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-2021-42659
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.17386
percentile