CVE-2025-8762 HIGH

CVE-2025-8762: INSTAR 2K+/4K UART improper physical access control

Vendor Instar
Product 2K+
Weakness CWE-1263
Published August 13, 2025
Last update August 13, 2025
View on NVD All CVEs

CVSS base score

7.0/10
Attack vector Physical
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 13, 2025 CVE published
August 13, 2025 Record updated