CVE-2026-8987 CRITICAL

CVE-2026-8987: Authenticated Heap Overflow

Vendor Autel
Product MaxiCharger Single
Weakness CWE-122
Published July 21, 2026
Last update July 21, 2026

CVSS base score

9.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

Autel Maxi Charger Single firmware through V1.03.51 contains a heap-based buffer overflow in the set_ap_param command handled by the /localcfg endpoint. An authenticated attacker can supply oversized input, resulting in denial of service and potentially arbitrary code execution.

Key dates

02Disclosure timeline

July 21, 2026 CVE published