CVE-2026-43856 Details
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.
A stack-based buffer overflow vulnerability has been identified in the Advantech ADAM-3600 EdgeLink product, specifically within the FileProcess::CheckDir function. This vulnerability could enable a remote authenticated attacker to execute arbitrary code by exploiting paths longer than 1024 bytes. The issue affects versions prior to 2.8.5.0.
Advantech has released a security update to address this vulnerability. Users and administrators are advised to update to the latest version immediately.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 20, 2026CISA-ADP
Assessed Oct 20, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.advantech.com/en/security-advisory | CSA | AdvisoryVendor |
| https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149 | CSA | AdvisoryBundleRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-121 | Stack-based Buffer Overflow | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Advantech ADAM-3600 | < 2.8.5.0 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 20, 2026 | CVE Modified | CISA-ADP |
| Oct 20, 2026 | New CVE Received | CSA |