# CVE-2026-45450: Unitronics UniStream Pro and UniLogic buffer overflow

Source: https://junglewise.ai/threats/cve-2026-45450-improper-restriction-of-operations-within-the-bounds-of-a-memory  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-15. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-45450 · Severity: high · CVSS 8.3 · Published 2026-10-15

Unitronics UniStream Pro and UniLogic are industrial automation controllers used to control factory equipment and processes. A buffer overflow vulnerability in these devices could allow an attacker to crash the controller or execute arbitrary code, potentially disrupting production lines or compromising industrial systems.

Technologies: [Unitronics UniLogic](https://junglewise.ai/threats/technologies/unilogic), [Unitronics UniStream Pro](https://junglewise.ai/threats/technologies/unistream-pro). Vendors: [Unitronics](https://junglewise.ai/threats/vendors/unitronics).

## Quick answers

**Is CVE-2026-45450 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-45450 being exploited in the wild.

**How severe is CVE-2026-45450?** High severity, with a CVSS score of 8.3, published 15 October 2026.

**Which products and versions are affected?** Unitronics UniLogic prior to 1.41.329; Unitronics UniStream Pro B10, C10.

**Is there a fix for CVE-2026-45450?** Yes: fixed in UniLogic 1.41.329. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-45450 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-45450?** Check whether you run Unitronics UniLogic or Unitronics UniStream Pro 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.

## How to fix

- Fixed in UniLogic 1.41.329

## Technical details

An improper restriction of memory buffer operations vulnerability exists in Unitronics UniStream Pro (B10/C10 models) and UniLogic controllers. The vulnerability allows an attacker to perform out-of-bounds memory operations, potentially leading to denial of service or code execution. A fix is available in UniLogic versions 1.41.329 and later.

## Affected products

- Unitronics UniStream Pro B10, C10
- Unitronics UniLogic prior to 1.41.329

## Timeline

- 2026-10-15: disclosed

## References

- [https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0](https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0)

## Related threats

- [Unitronics UniStream Pro/UniLogic format string vulnerability](https://junglewise.ai/threats/cve-2026-45452-use-of-externally-controlled-format-string-vulnerability-in)
- [Unitronics UniStream Pro and UniLogic improper authentication](https://junglewise.ai/threats/cve-2026-45451-improper-authentication-vulnerability-in-unitronics-unitronics)
- [Unitronics UniStream Pro and UniLogic OS command injection](https://junglewise.ai/threats/cve-2026-45449-improper-neutralization-of-special-elements-used-in-an-os-command)