CVE-2025-8762: 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…

PriorityP431medium6.8CVSS 3.1

AVPACLPRNUINSUCHIHAH

EPSS

0.17%

6.4th percentile

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
instar	2k	—	—
instar	4k	—	—

CVSS provenance

nvdv3.16.8MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv4.05.2MEDIUMCVSS: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/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

nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

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