CVE-2026-8988: CWE-1191 On-Chip debug and test interface with improper access control in Autel MaxiCharger Single
Autel MaxiCharger Single devices running firmware up to version 1.03.51 have an accessible UART interface that allows interruption of the boot process and access to the U-Boot bootloader. This vulnerability enables an attacker with physical access to modify the boot configuration or file system, potentially gaining operating system access. The vulnerability is classified as CWE-1191 and has a high severity with a CVSS score of 8.6. No official patch or remediation has been confirmed at this time.
AI Analysis
Technical Summary
CVE-2026-8988 describes a vulnerability in Autel MaxiCharger Single firmware versions through 1.03.51 where an exposed UART interface permits physical attackers to interrupt the boot process and access the U-Boot bootloader. This improper access control on the on-chip debug and test interface allows modification of boot configuration or file system, leading to unauthorized operating system access. The vulnerability is rated high severity (CVSS 8.6) and involves CWE-1191 (Improper Access Control). No vendor advisory or patch information is currently available.
Potential Impact
An attacker with physical access to the affected device can exploit the exposed UART interface to interrupt the boot process and access the U-Boot bootloader. This access can be used to modify boot configurations or the file system, resulting in unauthorized operating system access. This compromises device integrity and could lead to further malicious activities on the device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict physical access to affected devices to prevent exploitation of the UART interface.
CVE-2026-8988: CWE-1191 On-Chip debug and test interface with improper access control in Autel MaxiCharger Single
Description
Autel MaxiCharger Single devices running firmware up to version 1.03.51 have an accessible UART interface that allows interruption of the boot process and access to the U-Boot bootloader. This vulnerability enables an attacker with physical access to modify the boot configuration or file system, potentially gaining operating system access. The vulnerability is classified as CWE-1191 and has a high severity with a CVSS score of 8.6. No official patch or remediation has been confirmed at this time.
CVSS v4.0
Score 8.6high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-8988 describes a vulnerability in Autel MaxiCharger Single firmware versions through 1.03.51 where an exposed UART interface permits physical attackers to interrupt the boot process and access the U-Boot bootloader. This improper access control on the on-chip debug and test interface allows modification of boot configuration or file system, leading to unauthorized operating system access. The vulnerability is rated high severity (CVSS 8.6) and involves CWE-1191 (Improper Access Control). No vendor advisory or patch information is currently available.
Potential Impact
An attacker with physical access to the affected device can exploit the exposed UART interface to interrupt the boot process and access the U-Boot bootloader. This access can be used to modify boot configurations or the file system, resulting in unauthorized operating system access. This compromises device integrity and could lead to further malicious activities on the device.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict physical access to affected devices to prevent exploitation of the UART interface.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CyberDanube
- Date Reserved
- 2026-05-19T13:13:00.389Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5fe6ec9c2644c7f8cb1aaf
Added to database: 07/21/2026, 21:38:52 UTC
Last enriched: 07/30/2026, 07:08:09 UTC
Last updated: 09/03/2026, 10:52:11 UTC
Views: 84
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