CVE-2026-45341

CVSS 7.5 (high) · published 2026-11-12

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. From versions 1.4.0 to before 1.4.4, and 1.5.0 to before 1.5.1, a NULL pointer dereference can be triggered in bacnet_device_object_reference_decode() when a WriteProperty request updates OBJECT_STRUCTURED_VIEW / PROP_SUBORDINATE_LIST. This issue has been patched in versions 1.4.4 and 1.5.1.

Weakness: CWE-476

Source: NVD CVE-2026-45341

References

• https://github.com/bacnet-stack/bacnet-stack/security/advisories/GHSA-fv2r-c2m2-7qhh
• https://github.com/bacnet-stack/bacnet-stack/security/advisories/GHSA-fv2r-c2m2-7qhh

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