# CVE-2025-41646: Revolution Pi webstatus - Authentication Bypass

> Live exploitation tracking for CVE-2025-41646 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2025-41646

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 9.8
- **Public exploit available:** Yes
- **Affected products:** Kunbus Revolution Pi webstatus
- **Weaknesses:** CWE-704 (Incorrect Type Conversion or Cast)
- **Tags:** web_application, iot

## Description

An unauthorized remote attacker can bypass the authentication of the affected software package by misusing an incorrect type conversion. This leads to full compromise of the device

## CrowdSec analysis

[CVE-2025-41646](https://euvd.enisa.europa.eu/vulnerability/CVE-2025-41646) is a critical vulnerability in Kunbus Revolution Pi webstatus that allows remote attackers to bypass authentication by exploiting a type conversion flaw. Successful exploitation can result in full device compromise, enabling attackers to gain unauthorized control and access to sensitive system functions.

CrowdSec has been tracking this vulnerability and its exploits since 16th of July 2025.

Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2025-41646 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning.
CrowdSec data also reveals a clear uptick in attacks involving CVE-2025-41646 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

Attackers exploit this vulnerability by sending POST requests to `/php/dal.php`, bypassing authentication and gaining unauthorized access to the device.

## Timeline

- 2025-06-06: CVE Published. CVE-2025-41646 is published to NVD.
- 2025-07-16: Rule Released. CrowdSec releases a rule to detect CVE-2025-41646 exploitation attempts against the CrowdSec Network.
- 2025-07-21: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2025-41646 for the first time.

## References

- https://psirt.kunbus.com/.well-known/csaf/white/2025/kunbus-2025-0000003.json
- https://www.kunbus.com/en/productsecurity/Kunbus-2025-0000003
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-41646.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2025-41646) follows observed exploitation activity for CVE-2025-41646. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.