CVE-2025-8762
INSTAR 2K+/4K UART improper physical access control
- State
- Published
- Severity
- 7.0 High
- Published
- Aug 13, 2025
- Updated
- Aug 13, 2025
- Reserved
- Aug 8, 2025
Description
A vulnerability was found in INSTAR 2K+ and 4K 3.11.1 Build 1124. This issue affects some unknown processing of the component UART Interface. The manipulation leads to improper physical access control. It is possible to launch the attack on the physical device. The exploit has been disclosed to the public and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.0 High | CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.8 Medium | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.8 Medium | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.2 High | AV:L/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
2K+INSTAR |
|
4KINSTAR |
|
References
- VDB-319865 | INSTAR 2K+/4K UART improper physical access controlvdb-entry
- VDB-319865 | CTI Indicators (IOB, IOC)signaturepermissions-required
- https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdfexploit
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