Multiple stack-based buffer overflow vulnerabilities were found in Honeywell Experion PKS all versions prior to R400.6, all versions prior to R410.6, and all versions prior to R430.2 modules that could lead to possible remote code execution, dynamic memory corruption, or denial of service. Honeywell strongly encourages and recommends all customers running unsupported versions of EKPS prior to R400 to upgrade to a supported version.

An arbitrary memory write vulnerability exists in the dualonsrv.exe module in Honeywell Experion PKS R40x before R400.6, R41x before R410.6, and R43x before R430.2, that could lead to possible remote code execution or denial of service. Honeywell strongly encourages and recommends all customers running unsupported versions of EKPS prior to R400 to upgrade to a supported version.

Multiple heap-based buffer overflow vulnerabilities exist in Honeywell Experion PKS all versions prior to R400.6, all versions prior to R410.6, and all versions prior to R430.2 modules, which could lead to possible remote code execution or denial of service. Honeywell strongly encourages and recommends all customers running unsupported versions of EKPS prior to R400 to upgrade to a supported version.

A file inclusion vulnerability exists in the confd.exe module in Honeywell Experion PKS R40x before R400.6, R41x before R410.6, and R43x before R430.2, which could lead to accepting an arbitrary file into the function, and potential information disclosure or remote code execution. Honeywell strongly encourages and recommends all customers running unsupported versions of EKPS prior to R400 to upgrade to a supported version.

A directory traversal vulnerability exists in the confd.exe module in Honeywell Experion PKS R40x before R400.6, R41x before R410.6, and R43x before R430.2, which could lead to possible information disclosure. Honeywell strongly encourages and recommends all customers running unsupported versions of EKPS prior to R400 to upgrade to a supported version.