SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-8007

This condition may lead to unexpected system crashes and loss of device availability.

HIGH 7.1EPSS 0.25%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 4.0
7.1 HIGHCVSS:4.0/AV:A/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/M
EPSS
0.25% probability · 16th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
rockwellautomation/1756-en2tr series a firmware · rockwellautomation/1756-en2tr series b firmware · rockwellautomation/1756-en2tr series c firmware · rockwellautomation/1756-en4tr firmware · rockwellautomation/1756-en4trxt firmware
Source
PSIRT@rockwellautomation.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.