CVE-2021-28846
TRENDnet TEW-AP deniel of Service Format String Vulnerability
Description
A Format String vulnerablity exists in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03, which could let a remote malicious user cause a denial of service due to a logic bug at address 0x40dcd0 when calling fprintf with "%s: key len = %d, too long\n" format. The two variables seem to be put in the wrong order. The vulnerability could be triggered by sending the POST request to apply_cgi with a long and unknown key in the request body.
INFO
Published Date :
Aug. 10, 2021, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 6 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
Affected Products
The following products are affected by CVE-2021-28846
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-2021-28846.
| URL | Resource |
|---|---|
| https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdf | Third Party Advisory |
| https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdf | 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-2021-28846 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-28846 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://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdf -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Aug. 19, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdf No Types Assigned https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdf Third Party Advisory Added CWE NIST CWE-134 Added CPE Configuration AND OR *cpe:2.3:o:trendnet:tew-755ap_firmware:1.11b03:*:*:*:*:*:*:* OR cpe:2.3:h:trendnet:tew-755ap:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:trendnet:tew-755ap2kac_firmware:1.11b03:*:*:*:*:*:*:* OR cpe:2.3:h:trendnet:tew-755ap2kac:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:trendnet:tew-821dap2kac_firmware:1.11b03:*:*:*:*:*:*:* OR cpe:2.3:h:trendnet:tew-821dap2kac:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:trendnet:tew-825dap_firmware:1.11b03:*:*:*:*:*:*:* OR cpe:2.3:h:trendnet:tew-825dap:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-28846 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-2021-28846
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.07 }} 0.01%
score
0.33931
percentile