1756-En4tr Firmware vulnerabilitiesRanked by how likely they are to be used.
1756-En4tr Firmware is made by Rockwellautomation. We track 5 published vulnerabilities in it, across 9 versions. None of them is on the list of flaws known to be exploited today. If you run 1756-En4tr Firmware, keep it on a version the vendor still supports.
We keep watching the known-exploited list.
Which 1756-En4tr Firmware vulnerabilities are being exploited?
This is the list that matters most: flaws criminals are using now.
None of 1756-En4tr Firmware's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.
Which 1756-En4tr Firmware flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 3.7%CVE-2023-3596High
Where this vulnerability exists in the Rockwell Automation 1756-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously...
- 0.7%CVE-2025-8008Medium
A security issue exists in the protected mode of EN4TR devices, where sending specifically crafted messages during a Forward Close operation can cause the device to crash.
- 0.6%CVE-2024-3493High
A specific malformed fragmented packet type (fragmented packets may be generated automatically by devices that send large amounts of data) can cause a major nonrecoverable fault (MNRF) Rockwell Automation's...
- 0.5%CVE-2024-8626High
Due to a memory leak, a denial-of-service vulnerability exists in the Rockwell Automation affected products.
- 0.2%CVE-2025-8007Medium
A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules, where a Concurrent Forward Close operation can trigger a Major Non-Recoverable (MNFR) fault.
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1 new flaw affects software Acme tracks
Where this vulnerability exists in the Rockwell Automation 1756-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously crafted CIP messages.
- Matched to
- 1756-En4tr Firmware on Acme's software list
- What to do
- Plan in the vendor’s update
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 5 published vulnerabilities listed under the name 1756-En4tr Firmware, across 9 versions.
None of 1756-En4tr Firmware's vulnerabilities is on the list of flaws known to be exploited today.
Create a Precursor Intelligence account and track 1756-En4tr Firmware. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.