# CVE-2026-57896: AutomationDirect Productivity Suite out-of-bounds read via IOCTL

Source: https://junglewise.ai/threats/cve-2026-57896-automationdirect-productivity-suite-out-of-bounds-read-via-ioctl  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-16. Updated: 2026-07-16  
License: CC BY 4.0 with a link back

CVE-2026-57896 · Severity: medium · CVSS 6.1 · Published 2026-07-16

AutomationDirect Productivity Suite is a software package used to program and manage industrial programmable logic controllers (PLCs). A vulnerability in this suite could allow a local user to cause the software to crash or leak limited pieces of sensitive information. This could disrupt manufacturing operations or lead to unauthorized access to technical details about the industrial control environment.

Technologies: [AutomationDirect Productivity Suite](https://junglewise.ai/threats/technologies/productivity-suite). Vendors: [AutomationDirect](https://junglewise.ai/threats/vendors/automationdirect).

## Quick answers

**Is CVE-2026-57896 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-57896 being exploited in the wild.

**How severe is CVE-2026-57896?** Medium severity, with a CVSS score of 6.1, published 16 July 2026.

**Which products and versions are affected?** AutomationDirect Productivity Suite <=v4.6.2.2.

**Is there a fix for CVE-2026-57896?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-57896 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-57896?** Check whether you run AutomationDirect Productivity Suite at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An out-of-bounds read vulnerability (CWE-125) exists in AutomationDirect Productivity Suite versions 4.6.2.2 and prior. The flaw is triggered when the application processes a specially crafted I/O Control (IOCTL) request, leading to kernel memory corruption. A local attacker with low privileges can exploit this to disclose sensitive kernel memory or cause a denial-of-service (system instability/crash). The vulnerability is addressed in version 4.7.0.47.

## Affected products

- AutomationDirect Productivity Suite <=v4.6.2.2

## Timeline

- 2026-07-16: disclosed
- 2026-07-16: advisory

## References

- [https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-197-04.json](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-197-04.json)
- [https://www.automationdirect.com/support/software-downloads](https://www.automationdirect.com/support/software-downloads)
- [https://www.cisa.gov/news-events/ics-advisories/icsa-26-197-04](https://www.cisa.gov/news-events/ics-advisories/icsa-26-197-04)

## Related threats

- [AutomationDirect Productivity Suite divide by zero vulnerability](https://junglewise.ai/threats/cve-2026-61378-automationdirect-productivity-suite-divide-by-zero-vulnerability)
- [AutomationDirect Productivity Suite out-of-bounds read via USB](https://junglewise.ai/threats/cve-2026-60073-automationdirect-productivity-suite-out-of-bounds-read-via-usb)
- [AutomationDirect Productivity Suite out-of-bounds write via IOCTL](https://junglewise.ai/threats/cve-2026-61389-automationdirect-productivity-suite-out-of-bounds-write-via-ioctl)
- [AutomationDirect Productivity Suite out-of-bounds read via IOCTL request](https://junglewise.ai/threats/cve-2026-60140-automationdirect-productivity-suite-out-of-bounds-read-via-ioctl)
- [AutomationDirect Productivity Suite out-of-bounds write via IOCTL](https://junglewise.ai/threats/cve-2026-60063-automationdirect-productivity-suite-out-of-bounds-write-via-ioctl)