by Kastro
Paper/Archive/CVE-2025-7693

CVE-2025-7693

Rockwell Automation PLC - Micro850 L50E — Rockwell Automation Micro800 Vulnerability

EPSS 0.4%CVSS 9.3
critical.is priorityof 100
34
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 30.5.305 × 206.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A security issue exists due to improper handling of malformed CIP Forward Close packets during fuzzing. The controller enters a solid red Fault LED state and becomes unresponsive. Upon power cycle, the controller will enter recoverable fault where the MS LED and Fault LED become flashing red and reports fault code 0xF015. To recover, clear the fault.

Affected

ProductAffectedFixed inSource
PLC - Micro850 L50EV20.011 - V22.011–CNA

Scores by source

Rockwell (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refrockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1736.html