What’s Vulnerable › Vulnerabilities
CVE-2026-12656: 1732E ArmorBlock® - Multiple Vulnerabilities
- Severity: high (CVSS 8.7 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-13 · updated 2026-10-16
- Weakness: CWE-770
Description
A denial-of-service security issue exists in the affected product and version. The security issue stems from improper handling of network storm traffic, which can interrupt communication, cause device faults, and affect open TCP and UDP ports. A power cycle is required to recover the device to its normal state.
Affected products
- Rockwell Automation 1732E ArmorBlock® I/O: through 3.012
References
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