CVE-2026-47258

HIGH
MEDIUM Priority: 0.02 BB Relevance: 76/100
Published: 2026-11-12 Modified: 2026-11-12 First seen: 2026-11-12 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: Low
A: High

Description

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.4, 1.5.1, and 1.6.0, a stack-based out-of-bounds write exists in the Notification Class object implementation when handling AddListElement for the recipient-list property. This issue has been patched in versions 1.4.4, 1.5.1, and 1.6.0.

Weakness Classification (4)

Affected Software (3)

VendorProductVersion
bacnet-stack bacnet-stack < 1.4.4
bacnet-stack bacnet-stack < 1.5.1
bacnet-stack bacnet-stack < 1.6.0

Bug Bounty Relevance

76 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.2 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

EPSS — Exploitation Probability

0.26%
Raw Score 0.002590
Percentile 17.7%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00259
2026-11-13
0.00259

Intelligence Sources

mitre ref →
nvd ref →