CVE-2026-12655: high-severity vulnerability in Rockwell Automation 1732E ArmorBlock® I/O
1732E ArmorBlock® - Multiple Vulnerabilities
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.3%
A security issue exists within 1732E ArmorBlock® I/O, where an unauthenticated attacker can change the device's webserver password without valid credentials. This could result in admin account takeover or unauthorized modification of device configuration.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Rockwell Automation · 1732E ArmorBlock® I/ORelated CVEs — Rockwell Automation 1732E ArmorBlock® I/O
In the same product, most dangerous first.