7.5
HIGH
CVE-2021-29295
D-Link DSP-W215 Null Pointer Dereference Denial of Service Vulnerability
Description

Null Pointer Dereference vulnerability exists in D-Link DSP-W215 1.10, which could let a remote malicious user cause a denial of servie via usr/bin/lighttpd. It could be triggered by sending an HTTP request without URL in the start line directly to the device. NOTE: The DSP-W215 and all hardware revisions is 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 :

Nov. 21, 2024, 6 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-29295 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 Dlink dsp-w215_firmware
2 Dlink dsp-w215
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-2021-29295.

URL Resource
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10211 Vendor Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10211 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-2021-29295 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-29295 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://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10211
    Added Reference https://www.dlink.com/en/security-bulletin/
  • 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 DSP-W215 1.10, which could let a remote malicious user cause a denial of servie via usr/bin/lighttpd. It could be triggered by sending an HTTP request without URL in the start line directly to the device. NOTE: The DSP-W215 and all hardware revisions is considered End of Life and as such this issue will not be patched. Null Pointer Dereference vulnerability exists in D-Link DSP-W215 1.10, which could let a remote malicious user cause a denial of servie via usr/bin/lighttpd. It could be triggered by sending an HTTP request without URL in the start line directly to the device. NOTE: The DSP-W215 and all hardware revisions is 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=SAP10211 No Types Assigned https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10211 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:dsp-w215_firmware:1.10:*:*:*:*:*:*:* OR cpe:2.3:h:dlink:dsp-w215:-:*:*:*:*:*:*:*
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-2021-29295 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-2021-29295 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

CVSS31 - Vulnerability Scoring System
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