---
title: "CVE-2026-42804: Bosch Sensortec BHI360 SensorAPI - Buffer Overflow"
description: "Bosch Sensortec BHI360 SensorAPI (C-Library) up to commit d6b200416a contains a stack-based buffer overflow caused by unchecked memcpy of debug frame payload in bhi360_parse_debug_message(), letting locally or physically positioned attackers execute arbitrary code or cause denial of service via crafted debug frames."
url: https://panop.io/threat-heartbeat/CVE-2026-42804/
---

# CVE-2026-42804 Bosch Sensortec BHI360 SensorAPI - Buffer Overflow

Bosch Sensortec BHI360 SensorAPI (C-Library) up to commit d6b200416a contains a stack-based buffer overflow caused by unchecked memcpy of debug frame payload in bhi360\_parse\_debug\_message(), letting locally or physically positioned attackers execute arbitrary code or cause denial of service via crafted debug frames.

CVSS base score 7.6 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.25% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-42804)

## Details

Type

Buffer Overflow

Impact

Remote Code Execution, Denial Of Service

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Published

10 September 2026

Updated

15 October 2026

Weakness

[CWE-121](https://cwe.mitre.org/data/definitions/121.html)

## Vendor fix

Update to a version after commit d6b200416a that fixes the buffer overflow or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-42804](https://nvd.nist.gov/vuln/detail/CVE-2026-42804)
- [https://psirt.bosch.com/security-advisories/BOSCH-SA-223618.html](https://psirt.bosch.com/security-advisories/BOSCH-SA-223618.html)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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