CVE-2025-8762

Public Exploit
INSTAR 2K+/4K UART improper physical access control

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.

Category

7.0
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Affected: INSTAR 2K+
Affected: INSTAR 4K
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.319865 vdb entry
https://vuldb.com/?ctiid.319865 permissions required signature
https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf exploit

Frequently Asked Questions

What is the severity of CVE-2025-8762?
CVE-2025-8762 has been scored as a high severity vulnerability.
How to fix CVE-2025-8762?
To fix CVE-2025-8762, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-8762 being actively exploited in the wild?
It is possible that CVE-2025-8762 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-8762?
CVE-2025-8762 affects INSTAR 2K+, INSTAR 4K.
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