Description
A stack-based buffer overflow vulnerability in the FileProcess::CheckDir function could allow a remote authenticated attacker to achieve arbitrary code execution via a path longer than 1024 bytes.
Published: 2026-10-20
Score: 8.6 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

Vendor Solution

Advantech has released a security update to address these vulnerabilities. Users and administrators of affected product versions are advised to update to the latest version immediately.

Tracking

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Advisories

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History

Tue, 20 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
Title Stack-Based Buffer Overflow in FileProcess::CheckDir Enables Remote Code Execution
Weaknesses CWE-119
CWE-120

Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Description A stack-based buffer overflow vulnerability in the FileProcess::CheckDir function could allow a remote authenticated attacker to achieve arbitrary code execution via a path longer than 1024 bytes.
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: CSA

Published:

Updated: 2026-10-20T09:16:28.132Z

Reserved: 2026-05-04T03:13:57.970Z

Link: CVE-2026-43856

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-20T10:17:06.640

Modified: 2026-10-20T10:17:06.640

Link: CVE-2026-43856

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T15:30:06Z

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer

  • CWE-120

    Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')