CVE-2026-43856: Vulnerability in Advantech ADAM-3600
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.
CVSS v4.0
Score 8.6high
Affected software
Advantech
ADAM-3600
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a stack-based buffer overflow in the FileProcess::CheckDir function of the Advantech ADAM-3600 device. An attacker with authenticated access can exploit this by supplying a path exceeding 1024 bytes, potentially leading to arbitrary code execution. The CVSS 4.0 score is 8.6, indicating high severity with network attack vector, low attack complexity, and no user interaction required. Privileges required are high, and the vulnerability impacts confidentiality, integrity, and availability.
Potential Impact
If exploited, this vulnerability could allow a remote authenticated attacker with high privileges to execute arbitrary code on the affected device. This could compromise the device's confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the device to trusted users only and monitor for unusual activity related to path inputs exceeding 1024 bytes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CSA
- Date Reserved
- 2026-05-04T03:13:57.970Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad7358a2cdf04f65619747b
Added to database: 10/20/2026, 09:34:02 UTC
Last enriched: 10/20/2026, 09:48:15 UTC
Last updated: 10/20/2026, 19:34:20 UTC
Views: 11
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