CVE-2025-32058
Unknown Unknown - Not Provided

Code Execution Vulnerability in Bosch RH850 ECU Enables CAN Attack

Publication date: 2026-02-15

Last updated on: 2026-02-15

Assigner: Automotive Security Research Group (ASRG)

Description
The Infotainment ECU manufactured by Bosch uses a RH850 module for CAN communication. RH850 is connected to infotainment over the INC interface through a custom protocol. There is a vulnerability during processing requests of this protocol on the V850 side which allows an attacker with code execution on the infotainment main SoC to perform code execution on the RH850 module and subsequently send arbitrary CAN messages over the connected CAN bus. First identified on Nissan Leaf ZE1 manufactured in 2020.

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Meta Information

Published
2026-02-15
Last Modified
2026-02-15
Generated
2026-07-06
AI Q&A
2026-02-15
EPSS Evaluated
2026-07-05
NVD
CVE-2025-32058
EUVD
EUVD-2025-206907

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
bosch infotainment_ecu *
bosch rh850 *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-121 A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

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Executive Summary

This vulnerability exists in the Infotainment ECU manufactured by Bosch, which uses a RH850 module for CAN communication. The RH850 module is connected to the infotainment system via the INC interface using a custom protocol. During the processing of requests on this protocol on the V850 side, an attacker who already has code execution on the infotainment main SoC can exploit this vulnerability to gain code execution on the RH850 module.

Once the attacker has control over the RH850 module, they can send arbitrary CAN messages over the connected CAN bus, potentially manipulating vehicle systems.

Impact Analysis

This vulnerability can have severe impacts because it allows an attacker with initial access to the infotainment system to escalate their control to the RH850 module responsible for CAN communication.

  • The attacker can execute arbitrary code on the RH850 module.
  • They can send arbitrary CAN messages, potentially controlling or disrupting vehicle functions connected to the CAN bus.
  • This could lead to safety risks, unauthorized control of vehicle systems, or denial of service.
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