CVE-2015-1007

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-03-25 · updated 2026-06-17
Weakness: CWE-121

Description

A specially crafted configuration file could be used to cause a stack-based buffer overflow condition in the OPCTest.exe, which may allow remote code execution on Opto 22 PAC Project Professional versions prior to R9.4008, PAC Project Basic versions prior to R9.4008, PAC Display Basic versions prior to R9.4g, PAC Display Professional versions prior to R9.4g, OptoOPCServer version R9.4c and prior that were installed by PAC Project installer, versions prior to R9.4008, and OptoDataLink version R9.4d and prior that were installed by PAC Project installer, versions prior to R9.4008. Opto 22 suggests upgrading to the new product version as soon as possible.

Affected products

Opto 22 OptoDataLink: through r9.4d
Opto 22 OptoOPCServer: through r9.4c
Opto22 Pac Display: before r9.4g — fixed in r9.4g
Opto22 Pac Project: before r9.4008 — fixed in r9.4008

How to fix

Upgrade to a fixed version: Opto22 Pac Display r9.4g; Opto22 Pac Project r9.4008. Check the vendor advisory for mitigations.

References

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