Critical (9.1) in automationdirect. EPSS 1.0% chance of exploitation in the next 30 days.
A write-what-where vulnerability exists in the Programming Software Connection Remote Memory Diagnostics functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted network packet can lead to an arbitrary write. An attacker can send an unauthenticated packet to trigger this vulnerability.
Severity
CVSS 3.1
9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS
1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)