CVE-2025-14252

State: Published
Severity: 8.5 High
Published: Dec 16, 2025
Updated: Jan 7, 2026
Reserved: Dec 8, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	8.5 High	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	TXOne
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	TXOne

Weaknesses

CWE-269 Improper Privilege Management

Affected Products

Product	Versions
SUSIAdvantech	5.0.24335 and earlierAffected

References

https://www.txone.com/psirt/advisories/CVE-2025-14252

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