Vulnerability · Published Oct 20, 2026 · Assigned by CSA
CVE-2026-43844
Critical 9.3
In plain English
A critical-severity improper authentication 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 42% of all known vulnerabilities).
Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.5%top 57.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A vulnerability in the proprietary protocol could allow an attacker to bypass the authentication mechanism.
Affected products (as reported)
Weakness: CWE-287 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N