What is the severity of CVE-2022-36786?

CVE-2022-36786 has a high severity rating due to its potential for remote code execution with ROOT permissions.

How do I fix CVE-2022-36786?

To fix CVE-2022-36786, ensure your D-Link DSL-224 firmware is updated to the latest patched version provided by the manufacturer.

What kind of attack does CVE-2022-36786 allow?

CVE-2022-36786 allows for post-authentication remote code execution through the router's NTP server configuration interface.

Who is affected by CVE-2022-36786?

Users of the D-Link DSL-224 router are affected by CVE-2022-36786 if they are running vulnerable versions of the firmware.

Is my D-Link DSL-224 router vulnerable if it’s not using JSON-RPC API?

Yes, CVE-2022-36786 exploits the JSON-RPC API for configuration, so if your router uses this interface, it remains vulnerable regardless of your API usage.

Vulnerability/
CVE-2022-36786

critical

9.9

CWE

17/11/2022

29/4/2025

CVE-2022-36786: DLINK - DSL-224 Post-auth RCE.

First published: Thu Nov 17 2022(Updated: )

DLINK - DSL-224 Post-auth PCE. DLINK router has an interface where you can configure NTP servers (Network Time Protocol) via jsonrpc API. It is possible to inject a command through this interface that will run with ROOT permissions on the router.

Credit: cna@cyber.gov.il

Affected Software	Affected Version	How to fix
D-Link DSL-224
D-Link DSL-224
All of
D-Link DSL-224
D-Link DSL-224

Remedy

Update to version 3.0.9_Beta Hotfix

Never miss a vulnerability like this again

Reference Links

https://www.gov.il/en/Departments/faq/cve_advisories

Frequently Asked Questions

What is the severity of CVE-2022-36786?
CVE-2022-36786 has a high severity rating due to its potential for remote code execution with ROOT permissions.
How do I fix CVE-2022-36786?
To fix CVE-2022-36786, ensure your D-Link DSL-224 firmware is updated to the latest patched version provided by the manufacturer.
What kind of attack does CVE-2022-36786 allow?
CVE-2022-36786 allows for post-authentication remote code execution through the router's NTP server configuration interface.
Who is affected by CVE-2022-36786?
Users of the D-Link DSL-224 router are affected by CVE-2022-36786 if they are running vulnerable versions of the firmware.
Is my D-Link DSL-224 router vulnerable if it’s not using JSON-RPC API?
Yes, CVE-2022-36786 exploits the JSON-RPC API for configuration, so if your router uses this interface, it remains vulnerable regardless of your API usage.

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