Vulnerability in Instar 2k+
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Instar 2k+ — versions 3.11.1 Build 1124
- Instar 4k — versions 3.11.1 Build 1124
Weakness classification (CWE)
References
- vuldb.com/ (vdb-entry)
- vuldb.com/ (signature, permissions-required)
- modzero.com/static/MZ-25-03_modzero_INSTAR.pdf (exploit)
Frequently asked questions
- What is CVE-2025-8762?
- CVE-2025-8762 is a medium-severity vulnerability in Instar 2k+, classified under Improper Access Control. CVSS score: 6.8/10. Published 2025-08-13.
- How severe is CVE-2025-8762?
- Medium severity. CVSS v3 base score is 6.8 out of 10.