CVE-2025-41646: RevPi Webstatus application is vulnerable to an authentication bypass

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of 29 Oct 2026.

VulnCheck KEV lists it since 21 Jul 2025. It cites 204 public reports, the first from 21 Jul 2025. VulnCheck's own honeypots also recorded exploitation attempts.

• app.crowdsec.net
• dashboard.shadowserver.org
• dashboard.shadowserver.org

How likely is exploitation in the next 30 days?

51.3%

EPSS score, percentile 98.9 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?

9.8 Critical

CVSS v3.1 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

Advisories and patches (2)

Which versions are affected?

Affected

• 0.0.0 through 2.4.5

Versions by product

Source: CISA KEV 2026.10.29, as of 29 Oct 2026; VulnCheck KEV, as of 30 Oct 2026; FIRST EPSS, as of 29 Oct 2026; CVE List, as of 30 Oct 2026. About the data.

Description

RevPi Webstatus application is vulnerable to an authentication bypass

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

Source: CVE List, as of 30 Oct 2026. About the data.

What to do

Advisories and patches

• kunbus.com (Vendor advisory)
• psirt.kunbus.com (Vendor advisory)

This summary is based on the CVE record as of 30 Oct 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Source: CVE List, as of 30 Oct 2026. About the data.

Timeline