CVE-2021-28838
D-Link Router Null Pointer Dereference Vulnerability
Description
Null pointer dereference vulnerability in D-Link DAP-2310 2,10RC039, DAP-2330 1.10RC036 BETA, DAP-2360 2.10RC055, DAP-2553 3.10rc039 BETA, DAP-2660 1.15rc131b, DAP-2690 3.20RC115 BETA, DAP-2695 1.20RC093, DAP-3320 1.05RC027 BETA and DAP-3662 1.05rc069 in the sbin/httpd binary. The crash happens at the `atoi' operation when a specific network package are sent to the httpd binary.
INFO
Published Date :
Aug. 10, 2021, 6:15 p.m.
Last Modified :
Nov. 21, 2024, 6 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2021-28838
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
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-2021-28838.
| URL | Resource |
|---|---|
| https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf | Exploit Third Party Advisory |
| https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf | Third Party Advisory |
| https://www.dlink.com/en/security-bulletin/ | Vendor Advisory |
| https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf | Exploit Third Party Advisory |
| https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf | Third Party Advisory |
| https://www.dlink.com/en/security-bulletin/ | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-28838 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-2021-28838
weaknesses.
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-2021-28838 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-28838 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/dlink-email-cve.pdf Added Reference https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf Added Reference https://www.dlink.com/en/security-bulletin/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
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://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf No Types Assigned https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf Exploit, Third Party Advisory Changed Reference Type https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf No Types Assigned https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf Third Party 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:dap-2310_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.10rc039 OR cpe:2.3:h:dlink:dap-2310:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dap-2330_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.10rc036 *cpe:2.3:o:dlink:dap-2330_firmware:1.10rc036:beta:*:*:*:*:*:* OR cpe:2.3:h:dlink:dap-2330:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dap-2360_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.10rc055 OR cpe:2.3:h:dlink:dap-2360:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dap-2553_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.10rc039 *cpe:2.3:o:dlink:dap-2553_firmware:3.10rc039:beta:*:*:*:*:*:* OR cpe:2.3:h:dlink:dap-2553:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dap-2660_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.15rc131b OR cpe:2.3:h:dlink:dap-2660:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dap-2690_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.20rc115 *cpe:2.3:o:dlink:dap-2690_firmware:3.20rc115:beta:*:*:*:*:*:* OR cpe:2.3:h:dlink:dap-2690:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dap-2695_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.20rc093 OR cpe:2.3:h:dlink:dap-2695:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dap-3320_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.05rc027 *cpe:2.3:o:dlink:dap-3320_firmware:1.05rc027:beta:*:*:*:*:*:* OR cpe:2.3:h:dlink:dap-3320:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:dlink:dap-3662_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.05rc069 *cpe:2.3:o:dlink:dap-3662_firmware:1.05rc069:beta:*:*:*:*:*:* OR cpe:2.3:h:dlink:dap-3662:-:*:*:*:*:*:*:*
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.04 }} -0.20%
score
0.75492
percentile