Rockwellautomation 1756 En4Tr vulnerabilities

5 vulnerabilities

Known vulnerabilities in Rockwellautomation 1756 En4Tr, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

7.1CVE-2025-8008rockwell automation1756-ent2r, 1756-en4tr, 1756-en4trxt+5
EPSS score
0.68%
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.
7.1CVE-2025-8007rockwell automation1756-ent2r, 1756-en4tr, 1756-en4trxt+5
EPSS score
0.26%
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. This condition may lead to unexpected system crashes and loss of device availability.
8.7CVE-2024-8626rockwell automation1756-en4tr+10
EPSS score
0.52%
Due to a memory leak, a denial-of-service vulnerability exists in the Rockwell Automation affected products. A malicious actor could exploit this vulnerability by performing multiple actions on certain web pages of the product causing the affected products to become fully unavailable and require a power cycle to recover.
8.6CVE-2024-3493rockwell automation1756-en4tr+11
EPSS score
0.64%
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 ControlLogix 5580, Guard Logix 5580, CompactLogix 5380, and 1756-EN4TR. If exploited, the affected product will become unavailable and require a manual restart to recover it. Additionally, an MNRF could result in a loss of view and/or control of connected devices.
7.5CVE-2023-3596rockwell automation1756-en4tr series a+5
EPSS score
3.71%
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.