7.5
HIGH CVSS 3.1
CVE-2025-61081
BYD Atto3 Authentication Key Disclosure
Description

Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.

INFO

Published Date :

May 19, 2026, 6:16 p.m.

Last Modified :

June 1, 2026, 3:16 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-61081 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Implement robust brute-force protection and secure authentication key management for critical ECUs.
  • Harden authentication mechanisms against brute-force attacks.
  • Rotate or invalidate authentication keys regularly.
  • Implement rate limiting for authentication attempts.
  • Securely store and manage authentication keys.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-61081 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-61081 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Rejected by [email protected]

    Jun. 01, 2026

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jun. 01, 2026

    Action Type Old Value New Value
    Changed Description In BYD Atto3, an attacker can obtain an authentication key through Brute Force attack, which is permanently available. The authentication key enables flash to the Electronic Parking Break (EPB) and Supplemental Restoration System (SRS) related ECUs. Rejected reason: DO NOT USE THIS CVE RECORD. ConsultIDs: none. Reason: This record was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.
    Removed CVSS V3.1 CISA-ADP: AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
    Removed CWE CISA-ADP: CWE-307
    Removed Reference MITRE: https://www.notion.so/BYD-Atto3-26215fb6156c8000b338db3c2011f637?source=copy_link
    Removed Reference MITRE: https://www.notion.so/CVE-2025-61081-26215fb6156c8000b338db3c2011f637
    Removed Reference CISA-ADP: https://www.notion.so/BYD-Atto3-26215fb6156c8000b338db3c2011f637?source=copy_link
    Removed Reference CISA-ADP: https://www.notion.so/CVE-2025-61081-26215fb6156c8000b338db3c2011f637
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    May. 19, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
    Added CWE CWE-307
    Added Reference https://www.notion.so/BYD-Atto3-26215fb6156c8000b338db3c2011f637?source=copy_link
    Added Reference https://www.notion.so/CVE-2025-61081-26215fb6156c8000b338db3c2011f637
  • New CVE Received by [email protected]

    May. 19, 2026

    Action Type Old Value New Value
    Added Description In BYD Atto3, an attacker can obtain an authentication key through Brute Force attack, which is permanently available. The authentication key enables flash to the Electronic Parking Break (EPB) and Supplemental Restoration System (SRS) related ECUs.
    Added Reference https://www.notion.so/BYD-Atto3-26215fb6156c8000b338db3c2011f637?source=copy_link
    Added Reference https://www.notion.so/CVE-2025-61081-26215fb6156c8000b338db3c2011f637
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.