A stack-based buffer overflow vulnerability in Opto 22 PAC Control Basic and PAC Control Professional versions R10.0a and prior may allow remote code execution.
https://www.opto22.com/support/resources-tools/knowledgebase/kb87547
https://ics-cert.us-cert.gov/advisories/ICSA-18-247-01
Source: Mitre, NVD
Published: 2018-10-18
Updated: 2026-06-17
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.04628