High
1732E ArmorBlock® - Multiple Vulnerabilities
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.
Announced Source revision 1
Original source ↗CVE-2026-12656
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-12656
1732E ArmorBlock® I/O
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Rockwell Automation",
"product": "1732E ArmorBlock® I/O",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "3.012"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-12656
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #20347 · Revision 1
- Added to Heist Feed
- Publisher date