Vulnerability · Published Oct 20, 2026 · Assigned by CSA

CVE-2026-43855

High 7.5

In plain English

A high-severity heap buffer overflow in ADAM-3600 from Advantech. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 4.0)7.5High
Exploit odds (30 days)0.5%top 58.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A heap-based buffer overflow vulnerability could allow a remote authenticated attacker to achieve arbitrary code execution.

Affected products (as reported)

VendorProductVersions
Advantech ADAM-3600 prior to version 2.8.5.0

Weakness: CWE-122 · Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References