HIGHCVSS v3.1 7.5Vulnerability

CVE-2026-46674

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.4 and 1.5.1, an out-of-bounds read vulnerability exists in bacnet-stack's AtomicWriteFile record-access path. The bug is caused by a mismatch between an externally controlled returnedRecordCount field and the fixed-size internal fileData[] array used by BACNET_ATOMIC_WRITE_FILE_DATA. This issue has been patched in versions 1.4.4 and 1.5.1.

Properties

Severity
HIGH
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Epss score
0.00428
Cvss severity
HIGH
Cvss score
7.5
Retrieved at
2026-11-14T00:51:04+00:00
Last source
FIRST EPSS
Score
7.5
Cvss version
3.1
Cve id
CVE-2026-46674
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
First seen by Signal
2026-11-13T00:03:24+00:00
Name
CVE-2026-46674
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published at
2026-11-12T20:18:39.080
Last modified
2026-11-13T02:18:57.780
Epss percentile
0.37599

Related Entities (2)

HAS_WEAKNESS (2)

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CVE-2026-46674 (CVSS v3.1 7.5) — Ninja Signal Threat Intelligence | Ninja Signal