Vulnerability · Published Oct 13, 2026 · Assigned by Rockwell
CVE-2026-126551732E ArmorBlock® - Multiple Vulnerabilities
High 8.8
In plain English
A high-severity security flaw in 1732E ArmorBlock® I/O from Rockwell Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 4.0)8.8High
Exploit odds (30 days)0.3%top 80.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Rockwell Automation | 1732E ArmorBlock® I/O | 0 – through 3.012 |
Weakness: CWE-294 · Vector: 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