CVE-2026-8988 PUBLISHED

Access to Bootloader

Assigner: CyberDanube
Reserved: 19.05.2026 Published: 21.07.2026 Updated: 21.07.2026

Autel Maxi Charger Single firmware through V1.03.51 exposes an accessible UART interface that permits interruption of the boot process and access to the U-Boot bootloader. An attacker with physical access can modify the boot configuration or file system to obtain operating system access.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 8.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Physical	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Autel
Product	MaxiCharger Single
Versions	Default: unaffected affected from 0 to V1.03.51 (incl.)

Credits

S. Eisenreich-Dietz (CyberDanube) finder
T. Weber (CyberDanube) finder
D. Blagojevic (CyberDanube) finder
F. Koroknai (CyberDanube) finder

References

https://cyberdanube.com/security-research/multiple-vulnerabilities-in-autel-maxi-charger/

Problem Types

CWE-1191 On-Chip debug and test interface with improper access control CWE

Impacts

CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs