Bosch Infotainment system ECU 283C30861E on Nissan Redbend Service certificate validation

Summaryinfo

A vulnerability was found in Bosch Infotainment system ECU 283C30861E on Nissan and classified as critical. Affected by this issue is some unknown functionality of the component Redbend Service. Such manipulation leads to certificate validation. This vulnerability is uniquely identified as CVE-2025-32057. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Bosch Infotainment system ECU 283C30861E on Nissan. It has been rated as problematic. Affected by this issue is an unknown code of the component Redbend Service. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is integrity. CVE summarizes:

The Infotainment ECU manufactured by Bosch which is installed in Nissan Leaf ZE1 – 2020 uses a Redbend service for over-the-air provisioning and updates. HTTPS is used for communication with the back-end server. Due to usage of the default configuration for the underlying SSL engine, the server root certificate is not verified. As a result, an attacker may be able to impersonate a Redbend backend server using a self-signed certificate. First identified on Nissan Leaf ZE1 manufactured in 2020.

The weakness was disclosed with PCA Cyber Security Assessment Team. The advisory is shared for download at nissan.co.uk. This vulnerability is handled as CVE-2025-32057 since 04/03/2025. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/22/2026). The MITRE ATT&CK project declares the attack technique as T1587.003.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Bosch

Name

• Infotainment system ECU

Version

• 283C30861E

License

• commercial

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