CVE-2026-12655

High

Description

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.

SeverityHigh
CVSS8.8
Exploit probability—
Product1732E ArmorBlock® I/O
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-294CWE-294

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Rockwell Automation 1732E ArmorBlock® I/Ov ≤ 3.012—

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CVE-2026-12655 · 1732E ArmorBlock® I/O · Dark Radar