CVE-2026-47257

HIGH
MEDIUM Priority: 0.03 BB Relevance: 66/100
Published: 2026-11-12 Modified: 2026-11-13 First seen: 2026-11-12 Status: active

Attack Surface

Network Low Complexity No Interaction Integ. Impact

CVSS Vector Breakdown

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

Description

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. In versions 1.5.0 and 1.6.0-rc1, there is a restore logic flaw in bacnet-stack that is reachable through the official, unmodified apps/server management path when BACNET_BACKUP_RESTORE is enabled. This issue has been patched in versions 1.5.1 and 1.6.0.

Weakness Classification (2)

Affected Software (4)

VendorProductVersion
bacnet-stack bacnet-stack >= 1.5.0, < 1.5.1
bacnet-stack bacnet-stack >= 1.6.0-rc1, < 1.6.0
bacnet-stack bacnet-stack >= 1.5.0, < 1.5.1
bacnet-stack bacnet-stack >= 1.6.0-rc1, < 1.6.0

Bug Bounty Relevance

66 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

EPSS — Exploitation Probability

0.39%
Raw Score 0.003930
Percentile 34.0%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00393
2026-11-13
0.00393

Intelligence Sources

mitre ref →
nvd ref →