High severity · published Dec 16, 2025
CVE-2025-14252
An Improper Access Control vulnerability in Advantech SUSI driver (susi.sys) allows attackers to read/write arbitrary memory, I/O ports, and MSRs, resulting in privilege…
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
An Improper Access Control vulnerability in Advantech SUSI driver (susi.sys) allows attackers to read/write arbitrary memory, I/O ports, and MSRs, resulting in privilege escalation, arbitrary code execution, and information disclosure. This issue affects Advantech SUSI: 5.0.24335 and prior.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
SUSI · Advantech
through 5.0.24335 · source: vendor