A denial-of-service security issue exists in the 1719-AENTR. The security issue stems from improper handling of a UDP unicast network storm, which causes the device to become overloaded and lose communication. A power cycle is required to recover.
CVE-2026-9140
This high-severity CVE scores 8.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 83% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.7
- EG Score
- 8.7(medium)
- EPSS
- 16.6%
- KEV
- Not listed
Published
July 14, 2026
Last Modified
July 14, 2026
Advisory Details (1)
Auto-updated Jul 14, 2026SD1778 | Security Advisory | Rockwell Automation | US
https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1778.htmlVendor Advisories for CVE-2026-9140(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 9× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-15 23:54 UTCEG score recompute
- 2026-07-15 23:54 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 12:58 UTCEG score recompute
- 2026-07-15 12:58 UTCGHSA enrichment
- 2026-07-15 02:02 UTCEG score recompute
- 2026-07-15 02:02 UTCGHSA enrichment
- 2026-07-14 15:06 UTCEG score recompute
- 2026-07-14 15:05 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-9140?
When was CVE-2026-9140 disclosed?
Is CVE-2026-9140 actively exploited?
What is the CVSS score of CVE-2026-9140?
How do I remediate CVE-2026-9140?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-9140
Is Your Infrastructure Affected by CVE-2026-9140?
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