8.8
HIGH
CVE-2020-25758
D-Link DSR-250 Authenticated Remote Command Injection Vulnerability
Description

An issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could allow a remote, authenticated attacker to inject arbitrary crontab entries into saved configurations before uploading. These entries are executed as root.

INFO

Published Date :

Dec. 15, 2020, 8:15 p.m.

Last Modified :

April 23, 2021, 6:24 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2020-25758 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 dsr-150_firmware
2 Dlink dsr-150n_firmware
3 Dlink dsr-250_firmware
4 Dlink dsr-250n_firmware
5 Dlink dsr-500_firmware
6 Dlink dsr-500n_firmware
7 Dlink dsr-500ac_firmware
8 Dlink dsr-1000_firmware
9 Dlink dsr-1000n_firmware
10 Dlink dsr-1000ac_firmware
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-2020-25758.

URL Resource
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195 Vendor Advisory
https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/ Third Party 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-2020-25758 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-25758 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
  • Reanalysis by [email protected]

    Apr. 23, 2021

    Action Type Old Value New Value
    Removed CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-150_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-150:-:*:*:*:*:*:*:*
    Removed CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-150n_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-150n:-:*:*:*:*:*:*:*
    Removed CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-250_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-250:-:*:*:*:*:*:*:*
    Removed CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-250n_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-250n:-:*:*:*:*:*:*:*
    Removed CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-500_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-500:-:*:*:*:*:*:*:*
    Removed CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-500n_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:dlink:dsr-500n:-:*:*:*:*:*:*:*
    Removed CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-500ac_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-500ac:-:*:*:*:*:*:*:*
    Removed CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-1000_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-1000:-:*:*:*:*:*:*:*
    Removed CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-1000n_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-1000n:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-1000ac_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-1000ac:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:dlink:dsr-150_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-150:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-150n_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-150n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-250_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-250n_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-250n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-500_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-500n_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:dlink:dsr-500n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-500ac_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-500ac:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-1000_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-1000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-1000n_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-1000n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-1000ac_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-1000ac:-:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Dec. 17, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195 No Types Assigned https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195 Vendor Advisory
    Changed Reference Type https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/ No Types Assigned https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/ 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-354
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-150_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-150:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-150n_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-150n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-250_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-250:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-250n_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-250n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-500_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-500:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-500n_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:dlink:dsr-500n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-500ac_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-500ac:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-1000_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-1000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-1000n_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-1000n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dsr-1000ac_firmware:*:*:*:*:*:*:*:* versions up to (including) 3.17 OR cpe:2.3:h:dlink:dsr-1000ac:-:*:*:*:*:*:*:*
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-2020-25758 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-2020-25758 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.38 }} 0.00%

score

0.68859

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability