CVE-2026-12656 json
1732E ArmorBlock® - Multiple Vulnerabilities
published 27d ago modified 24d ago also EUVD-2026-98745
- cvss
- 8.7
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 16%
- public exploits
- 0
- none known
Summary
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.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 27d ago
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Rockwell Automation 1732E ArmorBlock® I/O
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
Sources
- CVE List CVE-2026-12656
- NVD CVE-2026-12656
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