1756-En4tr vulnerabilitiesRanked by how likely they are to be used.
1756-En4tr is made by Rockwellautomation. We track 5 published vulnerabilities listed under that exact name, across 0 versions. None of them is on the list of flaws known to be exploited today. Rockwellautomation lists newer releases under their own names, such as 1756-En4tr Firmware, so check those pages too.
We keep watching the known-exploited list.
Is 1756-En4tr listed under other names? Yes.
Rockwellautomation also lists 1756-En4tr under more specific names, such as 1756-En4tr Firmware. Flaws listed only under those names are counted on their own pages, not here. If you run one of these, open its page for its own exploited flaws.
Which 1756-En4tr vulnerabilities are being exploited?
This is the list that matters most: flaws criminals are using now.
None of 1756-En4tr's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.
Which 1756-En4tr 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.
Running 1756-En4tr? We'll keep checking.
Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.
- Tell us what you runPick your software from a list, or let us work it out from your website.
- We match it to every flawOver 400,000 published flaws, checked against your list.
- Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
- Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.
Free plan, no card needed. Nothing to install.
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 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, across 0 versions.
None of 1756-En4tr's vulnerabilities is on the list of flaws known to be exploited today.
Rockwellautomation also lists 1756-En4tr under more specific names, such as 1756-En4tr Firmware. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.
Create a Precursor Intelligence account and track 1756-En4tr. 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.