Revolution Pi webstatus: Incorrect Type Conversion or Cast
CVE-2025-41646 is a critical-severity incorrect type conversion or cast vulnerability in Revolution Pi webstatus from Kunbus, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Revolution Pi webstatus versions: 2.4.5 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 51.2% chance of exploitation within 30 days, which is in the top 1.04% of all scored CVEs.
Exploitation in the next 30 days is more likely than not, according to EPSS.
What to do
- Update Revpi Status to 2.4.6 or a later version.
- Read the advisory on psirt.kunbus.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Kunbus | Revolution Pi webstatus | 2.4.5 and earlier | Not stated |
| Kunbus | Revpi Status | before 2.4.6 | 2.4.6 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (cert.vde.com).
Official 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
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Incorrect Type Conversion or Cast
The product does not correctly convert an object, resource, or structure from one type to a different type.
More Incorrect Type Conversion or Cast vulnerabilities (CWE-704)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Recent Incorrect Type Conversion or Cast vulnerabilities
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.8 High severity
- 7.5 High severity
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