CVE-2021-29294
D-Link DSL-2740R Null Pointer Dereference Denial of Service
Description
Null Pointer Dereference vulnerability exists in D-Link DSL-2740R UK_1.01, which could let a remove malicious user cause a denial of service via the send_hnap_unauthorized function. It could be triggered by sending crafted POST request to /HNAP1/. NOTE: The DSL-2740R and all hardware revisions are considered End of Life and as such this issue will not be patched
INFO
Published Date :
Aug. 10, 2021, 8:15 p.m.
Last Modified :
Aug. 3, 2024, 10:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2021-29294.
| URL | Resource |
|---|---|
| https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10213 | Vendor Advisory |
| https://www.dlink.com/en/security-bulletin/ | 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-2021-29294 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-29294 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]
Aug. 03, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 17, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Apr. 11, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 21, 2024
Action Type Old Value New Value Added Tag MITRE unsupported-when-assigned -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description ** UNSUPPORTED WHEN ASSIGNED ** Null Pointer Dereference vulnerability exists in D-Link DSL-2740R UK_1.01, which could let a remove malicious user cause a denial of service via the send_hnap_unauthorized function. It could be triggered by sending crafted POST request to /HNAP1/. NOTE: The DSL-2740R and all hardware revisions are considered End of Life and as such this issue will not be patched. Null Pointer Dereference vulnerability exists in D-Link DSL-2740R UK_1.01, which could let a remove malicious user cause a denial of service via the send_hnap_unauthorized function. It could be triggered by sending crafted POST request to /HNAP1/. NOTE: The DSL-2740R and all hardware revisions are considered End of Life and as such this issue will not be patched -
Initial Analysis by [email protected]
Aug. 17, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10213 No Types Assigned https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10213 Vendor Advisory Changed Reference Type https://www.dlink.com/en/security-bulletin/ No Types Assigned https://www.dlink.com/en/security-bulletin/ Vendor Advisory Added CWE NIST CWE-476 Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsl-2740r_firmware:uk_1.01:*:*:*:*:*:*:* OR cpe:2.3:h:dlink:dsl-2740r:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-29294 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-2021-29294
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.11 }} 0.01%
score
0.44433
percentile