CVE-2025-8762 – INSTAR UART Interface Physical Access Control Bypass

The following table lists the changes that have been made to the
CVE-2025-8762 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 13, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CWE CWE-284
    Added CWE CWE-1263
    Added Reference https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf
    Added Reference https://vuldb.com/?ctiid.319865
    Added Reference https://vuldb.com/?id.319865
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