A Stack-Based Buffer Overflow issue was discovered in Schneider Electric Wonderware ArchestrA Logger, versions 2017.426.2307.1 and prior. The stack-based buffer overflow vulnerability has been identified, which may allow a remote attacker to execute arbitrary code in the context of a highly privileged account.
https://ics-cert.us-cert.gov/advisories/ICSA-17-187-04
http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000116/