D-Link DWL-2600AP 4.2.0.15 Rev A admin.cgi?action=config_save Shell Metacharacter os command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in D-Link DWL-2600AP 4.2.0.15 Rev A. It has been declared as critical. This impacts an unknown function of the file admin.cgi?action=config_save. Executing a manipulation as part of Shell Metacharacter can lead to os command injection. This vulnerability is registered as CVE-2019-20500. The attack needs to be launched locally. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as critical was found in D-Link DWL-2600AP 4.2.0.15 Rev A. This vulnerability affects some unknown processing of the file admin.cgi?action=config_save. The manipulation as part of a Shell Metacharacter leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

D-Link DWL-2600AP 4.2.0.15 Rev A devices have an authenticated OS command injection vulnerability via the Save Configuration functionality in the Web interface, using shell metacharacters in the admin.cgi?action=config_save configBackup or downloadServerip parameter.

The weakness was published 03/05/2020. This vulnerability was named CVE-2019-20500 since 03/05/2020. The attack needs to be approached locally. Required for exploitation is a single authentication. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.

It is possible to download the exploit at exploit-db.com. It is declared as attacked. This issue was added on 06/29/2023 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 07/20/2023:

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-150941 and VDB-150939. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
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CVSSv2info

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Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/05/2020 🔍
03/05/2020 +0 days 🔍
03/06/2020 +1 days 🔍
02/05/2025 +1797 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: supportannouncement.us.dlink.com
Status: Confirmed

CVE: CVE-2019-20500 (🔍)
GCVE (CVE): GCVE-0-2019-20500
GCVE (VulDB): GCVE-100-150940
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/06/2020 10:21
Updated: 02/05/2025 05:08
Changes: 03/06/2020 10:21 (37), 03/06/2020 10:26 (17), 04/09/2024 16:26 (18), 04/29/2024 06:26 (13), 08/27/2024 13:07 (2), 09/09/2024 22:30 (1), 02/05/2025 05:08 (14)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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