---
title: "CVE-2026-42805: Bosch Sensortec BHI385 SensorAPI - Buffer Overflow"
description: "Bosch Sensortec BHI385 SensorAPI contains a stack-based buffer overflow caused by lack of bounds checking on message length in debug message parser, letting attackers cause DoS or execute arbitrary code via crafted sensor payload."
url: https://panop.io/threat-heartbeat/CVE-2026-42805/
---

# CVE-2026-42805 Bosch Sensortec BHI385 SensorAPI - Buffer Overflow

Bosch Sensortec BHI385 SensorAPI contains a stack-based buffer overflow caused by lack of bounds checking on message length in debug message parser, letting attackers cause DoS or execute arbitrary code via crafted sensor payload.

CVSS base score 8.4 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.19% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-42805)

## Details

Type

Buffer Overflow

Impact

Remote Code Execution, Denial Of Service

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/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 the latest version with bounds checking on debug message length.

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-2026-42805](https://nvd.nist.gov/vuln/detail/CVE-2026-42805)
- [https://psirt.bosch.com/security-advisories/BOSCH-SA-223618.html](https://psirt.bosch.com/security-advisories/BOSCH-SA-223618.html)

[← All CVEs](https://panop.io/threat-heartbeat/)

## 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

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)