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

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, Unitronics UniStream Pro. 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

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