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THREATINT
PUBLISHED

CVE-2025-7020

BYD DiLink OS Incorrect encryption Implementation of system log dumps



Description

An incorrect encryption implementation vulnerability exists in the system log dump feature of BYD's DiLink 3.0 OS (e.g. in the model ATTO3). An attacker with physical access to the vehicle can bypass the encryption of log dumps on the In-Vehicle Infotainment (IVI) unit's storage. This allows the attacker to access and read system logs containing sensitive data, including personally identifiable information (PII) and location data. This vulnerability was introduced in a patch intended to fix CVE-2024-54728.

Reserved 2025-07-02 | Published 2025-08-09 | Updated 2025-08-09 | Assigner ASRG


MEDIUM: 5.1CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y/V:D/RE:H

Problem types

CWE-656: Incorrect Encryption Implementation

Product status

Default status
unaffected

13.1.32.2307211.1
affected

Credits

Lior Zur Lotan (PlaxidityX) finder

References

asrg.io/security-advisories/cve-2025-7020/ third-party-advisory

cve.org (CVE-2025-7020)

nvd.nist.gov (CVE-2025-7020)

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