CVE-2026-43856 | BDVDB-2026-391839 Detail

AdvantechADAM-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.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-121 Stack-based Buffer Overflow

References#

Exploit#

No public exploit known

History#

Version 12026-10-20Record published in the CVE List.

Published

Published: 2026-10-20
Last modified: 2026-10-20

Vendor information

Vendor: Advantech
Product: ADAM-3600

All Advantech vulnerabilities

Score

8.6 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 51.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
prior to version 2.8.5.0
Fixed
Not stated

Scoring System

CVSS v4.0

8.6 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	High
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).