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 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.

CVSS v4.0

5.2 MEDIUMCVSS: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

CVSS v3.1

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

CVSS v2.0

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

0.18% chance of exploitation in the next 30 days, 8th percentile

Published

2025-08-13

Proof-of-concept exploits (1)

• https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf

References

• CVE Record
• NVD entry

Related

• CVE-2025-8761
• CVE-2025-8764
• CVE-2025-8760
• CVE-2025-8772
• CVE-2025-8759
• CVE-2025-8773