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Vulnerabilities

Vulnerability · 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 escalation

Published Dec 16, 2025 · catalog updated Jan 7, 2026 · Advantech SUSI

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-14252. EPSS is 0.13%. Act only if a listed version of Advantech SUSI is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.13%
Remediation
Vendor / distro source
Affected products
vendor Advantech SUSI 0 ≤5.0.24335

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Advantech SUSI 0 ≤5.0.243350 ≤5.0.24335

How to fix CVE-2025-14252

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-14252. EPSS is 0.13%. Act only if a listed version of Advantech SUSI is installed.

Which versions are affected?

Compare what you have installed with Advantech SUSI 0 ≤5.0.24335 0 ≤5.0.24335. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 16, 2025 · EUVD

    Detected

    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.

  2. Jan 7, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-14252

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-14252

    30-day exploitation probability 0.13%

    first.org
  • EUVDVulnerability recordEUVD-2025-203500

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 31, 2026