Authenticated OS Command Injection on D-Link DWL-2600AP Devices
CVE-2019-20501

7.8HIGH

Key Information:

Vendor

D-Link
Status
Dwl-2600ap Firmware
Vendor
CVE Published:
5 March 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 12%

What is CVE-2019-20501?

The D-Link DWL-2600AP 4.2.0.15 Rev A has a vulnerability that allows authenticated users to execute arbitrary OS commands. This occurs through the Upgrade Firmware functionality found in the device's web interface, specifically by injecting shell metacharacters in the 'admin.cgi?action=upgrade' parameters such as 'firmwareRestore' or 'firmwareServerip'. Exploitation could lead to unauthorized access and control over the affected device.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-20501 - Proof of Concept

References

https://supportannouncement.us.dlink.com/announcement/pub...
x_refsource_MISC
https://www.exploit-db.com/exploits/46841
x_refsource_MISC

EPSS Score

12% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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