EUVD-2025-209899
Improper Restriction of Excessive Authentication Attempts (CWE-307)
GHSA-h596-vpgv-58r7
7.5
CVSS 3.1 · NVD
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Severity by source
NVD
PRIMARY
7.5
HIGH
AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
Attack Vector
Physical
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
High
Availability
High
Lifecycle Timeline
1
CVE Published
May 19, 2026 - 00:00 nvd
UNKNOWN (no severity yet)
DescriptionCVE.org
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.
Analysis
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.
Same technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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