MikroTik RouterOS up to 7.19.1 URL dst cross site scripting

Summaryinfo

A vulnerability classified as problematic has been found in MikroTik RouterOS up to 7.19.1. Affected is an unknown function of the component URL Handler. Performing a manipulation of the argument dst results in cross site scripting. This vulnerability is known as CVE-2025-6563. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in MikroTik RouterOS up to 7.19.1. This affects some unknown processing of the component URL Handler. The manipulation of the argument dst with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

A cross-site scripting vulnerability is present in the hotspot of MikroTik's RouterOS on versions below 7.19.2. An attacker can inject the `javascript` protocol in the `dst` parameter. When the victim browses to the malicious URL and logs in, the XSS executes. The POST request used to login, can also be converted to a GET request, allowing an attacker to send a specifically crafted URL that automatically logs in the victim (into the attacker's account) and triggers the payload.

It is possible to read the advisory at toreon.com. This vulnerability is uniquely identified as CVE-2025-6563 since 06/24/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 7.19.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (52366) and EUVD (EUVD-2025-19858). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Router Operating System

Vendor

• MikroTik

Name

• RouterOS

Version

• 7.19.0
• 7.19.1

License

• commercial

CPE 2.3info

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• 🔍

CPE 2.2info

• 🔍
• 🔍

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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